FITRIANA, Tiara; HUDA, Nizlel; SYAFMEN, Wardi. Effect of Conceptual, Understanding, Procedural, and Problem-Based Learning Models Using a Contextual Approach on Students’ Conceptual Understanding Skills. Kognitif: Jurnal Riset HOTS Pendidikan Matematika, [S. l.], v. 6, n. 1, p. 387–400, 2026. DOI: 10.51574/kognitif.v6i1.4433. Disponível em: https://etdci.org/journal/kognitif/article/view/4433. Acesso em: 17 mar. 2026.