Ramadhani, Yulia Rizki, Ambiyar Ambiyar, and Ishak Aziz. “Evaluation of Proficiency Test Preparation Course Program at the Language Laboratory of FKIP-UGN”. Acitya: Journal of Teaching and Education 5, no. 2 (July 6, 2023): 413–433. Accessed May 18, 2024. https://journals.umkt.ac.id/index.php/acitya/article/view/3638.