The evolution of ASEAN’s language policies: A diachronic analysis of official documents and website

• Chen Zhang ,

  Contributed equally to this work with: Chen Zhang, Ronghui Zhao

  Roles Data curation, Formal analysis, Funding acquisition, Methodology, Project administration, Supervision, Validation, Visualization, Writing – review & editing

  Affiliation Center for Grenadian Studies, School of Foreign Languages, Ningbo University of Technology, Ningbo, Zhejiang, China

  https://orcid.org/0000-0002-3236-308X

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• Ronghui Zhao ,

  Contributed equally to this work with: Chen Zhang, Ronghui Zhao

  Roles Conceptualization, Formal analysis, Funding acquisition, Project administration, Supervision

  Affiliation China Center for Language Planning and Policy Studies, Shanghai International Studies University, Shanghai, China

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• Yan Huang

  Roles Formal analysis, Funding acquisition, Project administration, Supervision, Validation, Visualization, Writing – review & editing

  * E-mail: hannahhuang2019@163.com

  Affiliation School of Foreign Languages, East China University of Science and Technology, Shanghai, China

  https://orcid.org/0000-0002-2883-3202

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