Davarikha, Fadilla. “The Effectiveness of Using Multimedia Content to Increase Twelfth Graders’ English-Speaking Performance”. RETAIN : Journal of Research in English Language Teaching 12, no. 01 (August 6, 2024): 50–56. Accessed November 18, 2025. https://ejournal.unesa.ac.id/index.php/retain/article/view/58948.