ORTIZ-TOBÓN, Paola Alejandra; GARCÍA-RENTERÍA, Wva Milena. Strengthening of Scientific Competencies through Teaching Units for Students in the Fourth Grade (4th grade) of Elementary School. Trilogía Ciencia Tecnología Sociedad, [S. l.], v. 11, n. 21, p. 149–168, 2019. DOI: 10.22430/21457778.1076. Disponível em: https://revistas.itm.edu.co/index.php/trilogia/article/view/1076. Acesso em: 22 jul. 2024.