@book{231609,
	author = {Kumar, Vivek. and Ebrary inc.},
	title = {System and technology advancements in distance learning},
	publisher = {Information Science Reference},
	year = {c2013.},
	address = {Hershey PA},
	note = {"Premier reference source"--Cover.},
	url = {http://site.ebrary.com/lib/pucpr/docDetail.action?docID=10583845}
}