Usman TA, Usman K, Zakiyah S, Abdullah AW, Kaluku A, Oroh FA. PENGARUH MODEL PROBLEM BASED LEARNING TERHADAP KEMAMPUAN PEMECAHAN MASALAH MATEMATIKA SISWA PADA MATERI ARITMATIKA SOSIAL DI SMP NEGERI 2 LIMBOTO. ir [Internet]. 2022 Jan. 24 [cited 2024 Jul. 3];17(2):146-5. Available from: https://journal.iaingorontalo.ac.id/index.php/ir/article/view/2243