Carrillo Avila, . A. R. ., and S. E. . Mota Macias. “THE ADVISORY IN THE TEACHING OF MATHEMATICS IN DISTANCE EDUCATION, USIG THE WEB CT PLATFORM”. Didáctica Y Educación ISSN 2224-2643, vol. 1, no. 3, July 2010, pp. 63-72, https://revistas.ult.edu.cu/index.php/didascalia/article/view/23.