BAREKTOKAN R. C. THE IMPLEMENTATION OF TEACHING SPEAKING BY USING ROLE PLAY ACTIVITY ON THE ELEVENTH GRADERS OF SMAK SANTA AGNES SURABAYA. RETAIN : J. Res. Engl. Lang. Teach. [Internet]. 2015 Jan. 12 [cited 2025 Dec. 18];2(3). Available from: https://ejournal.unesa.ac.id/index.php/retain/article/view/10298