Barajas Villarruel, Juan Ignacio, y Ricardo Noyola Rivera. «Analisis Del Volumen Trends and Issues in Distance Education. International Perspectives, De La Serie Perspectives in Instructional Technology and Distance Education». Revista Mexicana de Bachillerato a Distancia 1, no. 2 (agosto 31, 2009). Accedido mayo 8, 2024. https://www.revistas.unam.mx/index.php/rmbd/article/view/47050.