“IMPROVING ENGLISH LANGUAGE PROFICIENCY OF ENGINEERING STUDENTS THROUGH PROJECT-BASED LEARNING (PBL)”. PROCEEDING OF UNRIKA INTERNATIONAL CONFERENCE ON COMMUNITY SERVICE 1, no. 1 (December 30, 2025): 233–237. Accessed June 8, 2026. https://proceeding.unrika.ac.id/index.php/UICCS/article/view/138.