Adu FN, Suddin S, Bete H. Upaya Meningkatkan Hasil Belajar Matematika Siswa Kelas VII Sekolah Menengah Pertama Melalui Model Pembelajaran Problem Based Learning. Journal.Math.Education [Internet]. 2022 Aug. 31 [cited 2024 Nov. 24];7(2):87-100. Available from: https://jurnal.unimor.ac.id/index.php/JIPM/article/view/2665