Attewell, P. & Rule, J. (1988). Computers and organizations: what we know and what we don't know. In 1. Grief, ed. Computer-supported cooperative work: a book of readings, 557-579. San Mateo, CA: Kaufmann. Bernard, R.M. & Naidu, S. (1990). Enhancing interpersonal
communication in distance education: can voice-mail help? Educational and Training Technology International (ETTI) 27(3), 293-99. Boshier (1988). Socio-psychological factors in electronic networking. Canadian Association for the Study ofAdult Education: proceedings of the annual conference. (ERIC Document Reproduction Service No. ED 299 461.)