TY - BOOK AU - Wills,Sandra AU - Ip,Albert AU - Leigh,Elyssebeth TI - The power of role-based e-learning SN - 9780415877855 : U1 - 371.334 PY - 2011/// CY - New York PB - Routledge KW - Computer-assisted instruction KW - Group work in education KW - Evaluation KW - Instructional systems KW - Design KW - Internet in education N1 - Includes bibliographical references and index ER -