Lase, Haidir, Dirneti Dirneti, and Desi Indriyani. “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, no. 4 (December 23, 2025): 6543–6552. Accessed May 12, 2026. https://journal.ilmudata.co.id/index.php/RIGGS/article/view/4654.