TY - BOOK AU - Hunsinger Jeremy AU - Nolan Jason AU - Trifonas Peter AU - Weiss Joel TI - International handbook of virtual learning environments SN - 978-1-4020-3802-0 U1 - 371.334 PY - 2006/// CY - Dordrecht PB - Springer-Verlag KW - Computer-assisted instruction KW - Internet in education ER -