Yundayani A, kardijan dian. IMPROVING STUDENTS’ ORAL PRESENTATION PERFORMANCE THROUGH THE USE OF VISUAL MEDIA IN SMALL GROUP DISCUSSION. jell [Internet]. 29Aug.2018 [cited 29Apr.2026];3(02):103-14. Available from: http://journal.stibaiec-jakarta.ac.id/ojs/index.php/jell/article/view/55