Lase, H., Dirneti, D., & Indriyani, D. (2025). Pengaruh Penggunaan Model Problem Based Learning Berbasis Masalah Kontekstual Terhadap Kemampuan Penalaran Matematis Pada Siswa Sekolah Dasar. RIGGS: Journal of Artificial Intelligence and Digital Business, 4(4), 6543–6552. https://doi.org/10.31004/riggs.v4i4.4654