NIÑO BETANCOURT, Roberto Alejandro; CHACÓN BENAVÍDEZ, José Antonio. Didactic sequence: problem solving fraction part-everything and operator in personal learning environment grade 6º. FACES AND FACES OF KNOWLEDGE, [S. l.], v. 8, n. 14, p. 8–30, 2023. Disponível em: https://revistas.uptc.edu.co/index.php/rastrosyrostros/article/view/16424. Acesso em: 16 aug. 2024.