Fajriati F, Amrullah, Sahuddin. TEACHER’S COMPETENCY IN APPLYING PROBLEM-BASED LEARNING MODEL IN TEACHING SPEAKING SKILL: A CASE STUDY AT MA PLUS NURUL ISLAM SEKARBELA. lisdaya [Internet]. 2024Dec.20 [cited 2025Jan.18];20(2):165-71. Available from: https://lisdaya.unram.ac.id/index.php/lisdaya/article/view/110