DR. MUHAMMAD USMAN; SEPTIA IRNANDA. MODEL OF TEACHING WRITING SKILL THROUGH EMAIL AT SERAMBI MEKKAH UNIVERSITY AND MUHAMMADIYAH UNIVERSITY, INDONESIA. Researchers World - International Refereed Social Sciences Journal, [S. l.], v. 7, n. 4, p. 72–79, 2021. Disponível em: https://researchersworld.com/index.php/rworld/article/view/500. Acesso em: 9 aug. 2025.