From grammar to sustainability: A corpus-informed pedagogical model (GSIC) based on African Leaders’ UNGA-2025 English speeches

• Olusiji Adebola Lasekan ,

  Roles Conceptualization, Funding acquisition, Methodology, Writing – original draft

  * E-mail: olasekan@uct.cl (OAL); margot.godoy@ufrontera.cl (MTGP)

  Affiliation Departamento de Educación e Innovación, Universidad Católica de Temuco, Temuco, Chile

  https://orcid.org/0000-0002-4244-4852

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• Margot Teresa Godoy Pena ,

  Roles Funding acquisition, Methodology, Supervision, Validation, Writing – review & editing

  * E-mail: olasekan@uct.cl (OAL); margot.godoy@ufrontera.cl (MTGP)

  Affiliation Languages Coordination, DITFO, Universidad de La Frontera, Temuco, Chile

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• Blessy Sarah Mathew

  Roles Conceptualization, Formal analysis, Investigation, Methodology, Validation, Writing – review & editing

  Affiliation Department of Economics, Lovely Professional University, Phagwara, Punjab, India

  https://orcid.org/0000-0003-4750-5463

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