IMPLEMENTATION OF PROBLEM-BASED LEARNING (PBL) TO ENHANCE ENGAGEMENT IN ENGLISH LEARNING AMONG GRADE 11 STUDENTS AT MA NWDI PERIAN. Sindoro. 2025;18(2):1271-1280. Accessed October 27, 2026. https://ejournal.cibinstitut.com/index.php/sindoro/article/view/3390