1. Barson J. & Debski R. (1996). Calling back CALL: technology in the service of foreign language learning based on creativity, contingency, and goal-oriented activity”. In Warschauer M. (ed.) Telecollaboration in foreign language learning, Honolulu: University of Hawaii, Second Language Teaching and Curriculum Center: 49-68.
2. Taylor R. (1980) The computer in the school: tutor, tool, tutee, New York: Teachers College Press.
3. Taylor M.B. & Perez L.M. (1989) Something to do on a Monday, La Jolla, CA: Athelstan: 63.
4. Warschauer, M & Meskill, C. (2000) Technology and second language learning. Mahwah, New Jersey: Lawrence Erlbaum.