BAREKTOKAN R., CAROLINNANDA. THE IMPLEMENTATION OF TEACHING SPEAKING BY USING ROLE PLAY ACTIVITY ON THE ELEVENTH GRADERS OF SMAK SANTA AGNES SURABAYA. RETAIN : Journal of Research in English Language Teaching, [S. l.], v. 2, n. 3, 2015. Disponível em: https://ejournal.unesa.ac.id/index.php/retain/article/view/10298. Acesso em: 18 dec. 2025.