Arbain, Widi Syahtia Pane, and Raodah Mifdtahul Jannah. “Comparative Efficacy of Elsa and English Speaking Practice: A Quasi-Experimental Study on EFL Learning Outcomes”. Eduvelop: Journal of English Education and Development 7, no. 1 (October 27, 2023): 22-31. Accessed November 3, 2024. https://ojs.unsulbar.ac.id/index.php/eduvelop/article/view/2974.