Nurmianti, Munirah. IMPROVING MATHEMATICS LEARNING OUTCOMES THROUGH THE APPLICATION OF PROBLEM-BASED LEARNING MODEL FOR GRADE XI STUDENTS AT UPT SMA NEGERI 1 MAROS. jkip [Internet]. 2023 Jun. 28 [cited 2026 Jan. 11];10(1):1-12. Available from: https://jurnal.fkip.unismuh.ac.id/index.php/jkip/article/view/1269