Bahing Siritman, Mayang Meilantine. THE EFFECTIVENESS OF PROBLEM-BASED LEARNING IN STUDENTS’ LISTENING SKILL IN TOEIC OF LISTENING MATERIALS AT INDONESIAN ACADEMY OF SECRETARY AND MANAGEMENT CITRA NUSANTARA . JIRK [Internet]. 2025 Jan. 6 [cited 2025 Jul. 2];4(8):5327-38. Available from: https://bajangjournal.com/index.php/JIRK/article/view/9351