ZULFAYENI , Haniva; NASUTION , Minora Longgom; MIRNA, Mirna; HARISMAN, Yulyanti. Implementation of Problem Based Learning Model on Students’ Mathematical Problem-Solving Ability. Kognitif: Jurnal Riset HOTS Pendidikan Matematika, [S. l.], v. 6, n. 3, p. 965–977, 2026. DOI: 10.51574/kognitif.v6i3.5364. Disponível em: https://etdci.org/journal/kognitif/article/view/5364. Acesso em: 3 aug. 2026.