@book{479666,
	author = {DiStefano, Anna. and Sage eBooks},
	title = {Encyclopedia of distributed learning},
	publisher = {SAGE,},
	year = {c2004.},
	address = {Thousand Oaks, Calif. ;},
	note = {"A SAGE reference publication."},
	url = {http://ezproxy.alfaisal.edu/login?url=http://sk.sagepub.com/reference/distributedlearning}
}