VARGAS, J. S. Programmed Instruction’s Lessons for xMOOC Designers. Mexican Journal of Behavior Analysis, [S. l.], v. 40, n. 2, 2014. DOI: 10.5514/rmac.v40.i2.63662. Disponível em: https://journals.unam.mx/index.php/rmac/article/view/63662. Acesso em: 3 jul. 2024.