RIZAL, S. S. Instructional Materials Design and Development of English Poetry Class. English Focus: Journal of English Language Education, [S. l.], v. 1, n. 1, p. 30–31, 2017. DOI: 10.24905/efj.v1i1.18. Disponível em: https://englishfocus.upstegal.ac.id/index.php/efj/article/view/18. Acesso em: 19 apr. 2025.