“The Influence of Differentiated Learning and Models Problem Based Learning on Mathematical Problem-Solving Ability at SDN 5 Gondang”. JISIP (Jurnal Ilmu Sosial dan Pendidikan) 10, no. 3 (July 1, 2026): 1561–1571. Accessed July 6, 2026. https://ejournal.mandalanursa.org/index.php/JISIP/article/view/10530.