An Experience of Interactive Virtual Education at the Universidad Católica of Chile. - Ignacio Casas; Carlos Isaac; Adriana Vergara; Juan Carlos Soto; Marcelo Vasquez (Teleteaching, 1998)

Comparison of two modes of web-based instruction in a course on environmental protection. - Mladen M. Koljatic; Mónica Silva; Eduardo Varas; Adriana Vergara (Br. J. Educ. Technol., 2004)