@book{12039,
	author = {Wankel, Charles. and Blessinger, Patrick. and ebrary, Inc.},
	title = {Increasing student engagement and retention in e-learning environments},
	publisher = {Emerald Group Publishing Limited,},
	year = {2013.},
	series = {Cutting-edge Technologies in Higher Education ;},
	address = {Bradford :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10687770}
}