AL DIKSTAAL, Hanan Shadily. THE DEVELOPMENT OF ENGLISH MATERIALS FOR THE ELEVENTH GRADERS OF BUSINESS MARKETING PROGRAM. RETAIN : Journal of Research in English Language Teaching, [S. l.], v. 9, n. 1, p. 53–62, 2021. Disponível em: https://ejournal.unesa.ac.id/index.php/retain/article/view/35878. Acesso em: 23 nov. 2025.