Aldana Vargas, María Fernanda, and Luz Adriana Osorio. “Pedagogical Guidelines for the Design of Blended Learning Environments”. EDUTECH REVIEW. International Education Technologies Review Revista Internacional De Tecnologías Educativas, vol. 6, no. 1, Feb. 2019, pp. 23-37, doi:10.37467/gka-revedutech.v6.2012.