RAHMADANI, Eko; SYAFRI, Bulan Rafika; PANGGABEAN, Ellis Mardiana; HARAHAP, Tua Halomoan. Analysis of Piaget’s and Vygotsky’s Cognitive Theories and Their Implications for the Sequence of Mathematics Learning Materials. OMEGA: Jurnal Keilmuan Pendidikan Matematika, [S. l.], v. 5, n. 2, p. 308–316, 2026. DOI: 10.47662/jkpm.v5i2.1280. Disponível em: https://ejurnal.univamedan.ac.id/index.php/jkpm/article/view/1280. Acesso em: 6 jun. 2026.