RAHMAWATI, Silpa; MUZDALIPAH, Ipah; MUSLIM, Siska Ryane. Improving Students’ Mathematical Reasoning Ability through the Use of the Joyful Learning Model Assisted by GeoGebra. Kognitif: Jurnal Riset HOTS Pendidikan Matematika, [S. l.], v. 6, n. 1, p. 33–43, 2026. DOI: 10.51574/kognitif.v6i1.1755. Disponível em: https://etdci.org/journal/kognitif/article/view/1755. Acesso em: 31 jan. 2026.