RAMÍREZ VALDEZ, L. A.; SOBERANES MARTÍN, A. Instructional Model for the production of an open educational resource (OER). Programación Matemática y Software, [S. l.], v. 7, n. 1, p. 34–44, 2015. DOI: 10.30973/progmat/2015.7.1/6. Disponível em: https://progmat.uaem.mx/progmat/index.php/progmat/article/view/2015-7-1-6. Acesso em: 17 may. 2024.