# Third-party Material and Citations

Last reviewed: 2026-09-02.

This register distinguishes repository-owned material from third-party sources. A link is not a transfer of rights. Contributors must add or update an entry when adding external media, a substantial quotation, a dataset, or a product capability claim.

| Material or claim | Location | Source / rights holder | Status and use | Accessed |
| --- | --- | --- | --- | --- |
| CEFR global scale | CEFR chapters; no local chart bundled | [Council of Europe](https://www.coe.int/en/web/common-european-framework-reference-languages/table-1-cefr-3.3-common-reference-levels-global-scale) | Official descriptors paraphrased with attribution; the repository links the source but does not redistribute a chart | 2026-08-16 |
| Learning styles evidence review | Learning-principles and vocabulary chapters | [Pashler et al. (2008), Crossref record](https://api.crossref.org/works/10.1111%2Fj.1539-6053.2009.01038.x) | Linked research; the review's conclusion is paraphrased with its experimental and untested-variant limits, and no paper is stored | 2026-09-02 |
| Retrieval, testing, spacing, feedback, sleep, and learning-technique research | Learning-principles and English Diagnostic chapters | [Dunlosky et al. (2013), Crossref record](https://api.crossref.org/works/10.1177%2F1529100612453266), [Roediger & Karpicke (2006), Crossref record](https://api.crossref.org/works/10.1111%2Fj.1467-9280.2006.01693.x), [Cepeda et al. (2006), Crossref record](https://api.crossref.org/works/10.1037%2F0033-2909.132.3.354), [Hattie & Timperley (2007), Crossref record](https://api.crossref.org/works/10.3102%2F003465430298487), and [Rasch & Born (2013), Crossref record](https://api.crossref.org/works/10.1152%2Fphysrev.00032.2012) | Findings are paraphrased with technique, sample, material, criterion, timing, delay, feedback, sleep, and individual-capacity limits; no universal calendar, dosage, or health prescription is inferred | 2026-09-02 |
| Vocabulary coverage, receptive/productive knowledge, and intentional-learning research | Vocabulary chapters | [Hu & Nation (2000), Crossref record](https://api.crossref.org/works/10.64152%2F10125%2F66973), [Nation (2006), Crossref record](https://api.crossref.org/works/10.3138%2Fcmlr.63.1.59), [Schmitt, Jiang & Grabe (2011), Crossref record](https://api.crossref.org/works/10.1111%2Fj.1540-4781.2011.01146.x), [Webb (2008), Crossref record](https://api.crossref.org/works/10.1017%2FS0272263108080042), and [Webb, Yanagisawa & Uchihara (2020), Crossref record](https://api.crossref.org/works/10.1111%2Fmodl.12671) | Findings are paraphrased with counting-unit, corpus, sample, test-direction, scoring, activity, delayed-measure, and transfer limits; no full text is redistributed and no average is treated as an individual guarantee | 2026-09-02 |
| Suicide-prevention and mental-health-at-work guidance | Bilingual Recovery chapters | [WHO Suicide fact sheet](https://www.who.int/news-room/fact-sheets/detail/suicide), [WHO Mental health at work](https://www.who.int/news-room/fact-sheets/detail/mental-health-at-work), and [WHO Guidelines on mental health at work](https://www.who.int/publications/i/item/9789240053052) | Public-health and workplace directions are paraphrased for safety, access-to-means, assessment/follow-up, reasonable accommodation, phased return, clinical care, and workplace support; the guide's capacity modes are explicitly non-clinical and no individual diagnosis, dosage, timetable, or local emergency number is inferred | 2026-09-07 |
| Focused and explicit L2 grammar instruction research | Bilingual Grammar chapters | [Norris & Ortega (2000), Crossref record](https://api.crossref.org/works/10.1111%2F0023-8333.00136) and [Spada & Tomita (2010), Crossref record](https://api.crossref.org/works/10.1111%2Fj.1467-9922.2010.00562.x) | Meta-analytic findings are paraphrased with construct, measure, feature, design, and generalisability limits; metadata links are provided and no paper is redistributed | 2026-09-02 |
| Accent, intelligibility, and L2 pronunciation instruction research | Bilingual Speaking chapters | [Derwing & Munro (2005), Crossref record](https://api.crossref.org/works/10.2307%2F3588486), [Levis (2005), Crossref record](https://api.crossref.org/works/10.2307%2F3588485), and [Saito (2012), Crossref record](https://api.crossref.org/works/10.1002%2Ftesq.67) | Research framing is paraphrased conservatively to separate accent, communication outcomes, identity, listener role, and instruction; group findings are not written as individual guarantees and no paper is redistributed | 2026-09-02 |
| Process-based listening, supported extensive listening, and accent familiarity research | Bilingual Listening chapters | [Vandergrift & Tafaghodtari (2010), Crossref record](https://api.crossref.org/works/10.1111%2Fj.1467-9922.2009.00559.x), [Chang & Millett (2016), Crossref record](https://api.crossref.org/works/10.1177%2F0033688216631175), and [Tauroza & Luk (1997), Crossref record](https://api.crossref.org/works/10.1177%2F003368829702800104) | Findings are paraphrased with sample, language, treatment, volume, transfer, and familiarity limits; no fixed replay count, product workflow, or individual outcome is inferred and no paper is redistributed | 2026-09-02 |
| L2 reading components and strategic reading instruction research | Bilingual Reading chapters | [Jeon & Yamashita (2014), Crossref record](https://api.crossref.org/works/10.1111%2Flang.12034), [Jeon (2022), Crossref record](https://api.crossref.org/works/10.1075%2Fbpa.13.03jeo), and [Akkakoson (2013), Crossref record](https://api.crossref.org/works/10.1111%2Fjrir.12004) | Correlational meta-analytic findings and one context-specific strategy intervention are paraphrased with language, age, proficiency, measurement, course, and sample limits; no single causal recipe or individual guarantee is inferred | 2026-09-02 |
| L2 corrective feedback, peer feedback, and automated writing evaluation research | Bilingual Writing chapters | [Kang & Han (2015), Crossref record](https://api.crossref.org/works/10.1111%2Fmodl.12189), [Vuogan & Li (2022), Crossref record](https://api.crossref.org/works/10.1002%2Ftesq.3178), and [Zhai & Ma (2022), Crossref record](https://api.crossref.org/works/10.1177%2F07356331221127300) | Meta-analytic findings are paraphrased with proficiency, setting, genre, feedback source, treatment, education-level, language-background, and primary-study limits; no automated score or polished output is treated as independent authorship ability | 2026-09-02 |
| ChatGPT Study Mode and Projects | AI chapters | [OpenAI Study Mode](https://openai.com/index/chatgpt-study-mode/) and [Projects Help](https://help.openai.com/en/articles/10169521-projects-in-chatgpt) | Product facts paraphrased and dated; availability may change | 2026-08-24 |
| Gemini learning features | AI chapters | [Google Gemini Help](https://support.google.com/gemini/answer/16448384) | Product facts paraphrased with region/account limits | 2026-08-24 |
| Claude Projects | AI chapters | [Anthropic Help](https://support.claude.com/en/articles/9517075-what-are-projects) | Product facts paraphrased with plan limits | 2026-08-24 |
| Wayback blog snapshots | `docs/threads/archive/` and English translations | Internet Archive snapshots where available; original text copyright belongs to the author | Restored author text; two original snapshots now return 404 and are marked as unavailable, while surviving snapshots remain linked | 2026-09-01 |
| Reference book listing | Reading chapters | Douban book page and publisher | Text link for identification only; no third-party cover image is hotlinked or redistributed | 2026-09-01 |
| YouTube and product names/logos | Resource lists | Respective publishers and trademark owners | Links and nominative references only; no endorsement implied | 2026-08-16 |
| `token.love` official homepage | `docs/projects.md`, `docs/en/projects.md` | China Token Cloud / site operator | Homepage capability description paraphrased with date and contract boundary; not an independent audit | 2026-08-31 |
| `ku0.com` official homepage | `docs/projects.md`, `docs/en/projects.md` | ku0.com operator | Directory positioning paraphrased with date; availability, transactions, and compliance remain subject to current terms | 2026-08-31 |
| `biezou.com` AI gateway homepage | Both home pages | [biezou.com](https://biezou.com/) / site operator | Clearly bounded third-party recommendation; homepage description rechecked on 2026-09-02, with no independent audit or endorsement of availability, pricing, privacy, security, compliance, or returns | 2026-09-02 |
| `OpenHuge_ai` Telegram channel | Both home pages | [t.me/OpenHuge_ai](https://t.me/OpenHuge_ai) / user-supplied channel URL | Bounded third-party resource-channel recommendation supplied for the homepage; channel content, external links, availability, privacy, copyright, security, and operator claims are not independently endorsed | 2026-09-02 |
| Human-centred generative AI in education guidance | Bilingual Family Learning chapters | [UNESCO, Guidance for generative AI in education and research](https://www.unesco.org/en/articles/guidance-generative-ai-education-and-research) | Official guidance used only for the human-centred and human-capacity framing; local school policy, platform terms, age/account rules, and professional judgment remain separately required | 2026-09-02 |
| Current guide illustrations and brand assets | `docs/assets/logo.svg`, `docs/assets/feature.svg`, `docs/assets/feature-en.svg`, generated PNG social covers, and `docs/assets/speaking-practice.svg` | byoungd / project contributors | Used by the VitePress theme, public asset sync, social metadata, or the speaking chapter; included in the content-license scope | 2026-09-01 |
| Noto Serif SC PDF font subsets | `book-assets/fonts/` | [Google Fonts / Noto Serif SC](https://github.com/google/fonts/tree/2e61f4355afd22b801791b0df176065082423b87/ofl/notoserifsc) | OFL-licensed 400/700 static fonts subset to the characters used by the Chinese PDF; pinned upstream commit and regeneration steps are retained in `book-assets/fonts/README.md`; license text retained as `book-assets/fonts/OFL-NotoSerifSC.txt` | 2026-09-02 |
| Noto Sans IPA PDF fallback subset | `book-assets/fonts/NotoSans-LifeLevelUp-IPA.ttf` | [Google Fonts / Noto Sans](https://github.com/google/fonts/tree/main/ofl/notosans) | OFL-licensed fallback subset containing the IPA characters absent from Noto Serif SC; license text retained as `book-assets/fonts/OFL-NotoSans.txt` | 2026-09-02 |
| Author project screenshots and visit photos | `docs/projects.md`, `docs/en/projects.md` | Author-provided media | Used for disclosure and personal record; not evidence of third-party endorsement | 2026-08-16 |
| WeChat profile and practice articles | `docs/projects.md`, `docs/threads/part-3/2-ai-development-and-resource-layer.md` and English counterparts | [TokenMany](https://mp.weixin.qq.com/s?src=11&timestamp=1787503349&ver=6922&signature=hsfWcee*q*Okq4gsJ5TpMaWV4vZTwLean6SKtOxCC-EyAf9jWD6l1LQYDny29FqXVImHZFNFDPt*EVH*hVMN2pa91kZtuYfzI81wtV7yahnqVBsKS*c7Ls1uf9QqiEIF&new=1), [Wanli Center](https://mp.weixin.qq.com/s?src=11&timestamp=1787503349&ver=6922&signature=k7g1j*QF9lLWMGUlkAu65EFOmvokb8FoM51LNr4hgn4Q4Cc7q3t3O8Mkac7YnWTJbIVdvX-PXYdZXVHEohJieTOPR*Q2-TVAHuIg2ljgp2BMn8m7STrvovnpW01j817Y&new=1) | Paraphrased with source and limitation; narrative material only, no capability, customer, or revenue claim inferred | 2026-08-24 |
| Latest personal updates | `docs/assets/latest/` and both home pages | Author-provided media | Used with the author's permission for the stated personal updates; EXIF metadata removed before publication | 2026-08-20 |

## Contribution Requirements

For new third-party material, record the creator, canonical URL, license or permission, modification status, and access date. Do not commit media whose redistribution rights are unknown. Prefer a text link, an original replacement, or openly licensed media. Remove EXIF and location metadata before committing any photograph.