Siti Aminah et al. 2023. PENGARUH MODEL PEMBELAJARAN CERAMAH DAN KOOPERATIF LEARNING TERHADAP KEMAMPUAN PEMECAHAN MASALAH MATEMATIS . JOEL: Journal of Educational and Language Research. 2, 12 (Jul. 2023), 1369–1376. DOI:https://doi.org/10.53625/joel.v2i12.6059.