PS, Muktabar Annurul; YERIZON, Yerizon. Development of Discovery Learning-Based Learning Devices To Improve Mathematical Problem Solving Abilities. Jurnal Perspektif, [S. l.], v. 9, n. 1, p. 110–120, 2025. DOI: 10.15575/jp.v9i1.352. Disponível em: https://perspektif.uinsgd.ac.id/index.php/JP/article/view/352. Acesso em: 8 sep. 2025.