Pengaruh Model Problem Based Learning terhadap Kemampuan Pemecahan Masalah Matematis Siswa Kelas VIII MTs Muhammadiyah Enrekang. jiip [Internet]. 2026May3 [cited 2026Jun.17];9(5):5079-86. Available from: http://www.jiip.stkipyapisdompu.ac.id/jiip/index.php/JIIP/article/view/11297