ISBN 162036509X books & textbook
Social Presence in Online Learning (Online Learning and Distance Education)
Swan, Karen Whiteside, Aimee L. Garrett Dikkers, Amy Gunawardena, Charlotte Nirmalani
Routledge /2017-05-22 Paperback / 242 Pages
isbn-10: 162036509X / isbn-13: 9781620365090
