Safrina Nisa et al. 2022. Penerapan Pendekatan Problem Based Learning dalam Meningkatkan Hasil Belajar Siswa pada Materi Perbandingan. Ar-Riyadhiyyat: Journal of Mathematics Education. 2, 2 (Jan. 2022), 72–81. DOI:https://doi.org/10.47766/arriyadhiyyat.v2i2.178.