Meléndez, Juan ed. Calcaño, Elvin ed. Rama, Claudio ed. Montalvo, Yubelkys ed. text bibliography pr San Juan , Puerto Rico Departamento de Estado 2014 monographic spa 164p. ill. 27cm. specialized Includes bibliographical references . Distance education Puerto Rico Educational technology Computer Assisted instruction Education Computer network resources Web-based in instruction Virtual reality in education PUCPR 20201207062648.0 332881