SILVIANA, Runinda; RAHMAWATI, Dwi; AGUSTINA, Rina. Characteristics of Problem Solving Ability of Students in Integer Operation Material. Kognitif: Jurnal Riset HOTS Pendidikan Matematika, [S. l.], v. 6, n. 3, p. 1221–1241, 2026. DOI: 10.51574/kognitif.v6i3.5645. Disponível em: https://etdci.org/journal/kognitif/article/view/5645. Acesso em: 23 aug. 2026.