@article{702708, author = {Wankel, Charles. and Blessinger, Patrick.}, url = {http://library.usi.edu/record/702708}, title = {Increasing student engagement and retention in e-learning environments Web 2.0 and blended learning technologies / [electronic resource] :}, publisher = {Emerald Group Publishing Limited,}, recid = {702708}, pages = {434 p.}, address = {Bradford :}, year = {2013}, }