A.M., M.I. et al. 2024. Efektivitas Strategi Pembelajaran Problem Based Learning Terhadap Kemampuan Pemecahan Masalah Matematis Siswa Kelas IV MI Riyaadhul Faadhilin. Celebes Journal of Elementary Education. 2, 1 (Jun. 2024), 31–41. DOI:https://doi.org/10.31605/cjee.v2i1.3904.