RAHMAYANI, Sri; AFNARIA, Afnaria; AZIS, Zainal. Development of Learning Materials Based on the MURDER Collaborative Learning Model to Enhance Students’ Conceptual Understanding of Mathematics. Kognitif: Jurnal Riset HOTS Pendidikan Matematika, [S. l.], v. 5, n. 4, p. 1520–1532, 2025. DOI: 10.51574/kognitif.v5i4.2422. Disponível em: https://etdci.org/journal/kognitif/article/view/2422. Acesso em: 23 nov. 2025.