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 2026 Jan. 11];7(2):87-100. Available from: http://jurnal.unimor.ac.id/JIPM/article/view/2665