The Theory and Practice of Online Learning, 2008. ,
Technology, E-Learning and Distance Education, 2005. ,
DOI : 10.4324/9780203463772
E-Learning in the 21st Century: A Framework for Research and Practice, 2011. ,
DOI : 10.4324/9780203166093
Improving Learning and Reducing Costs: New Models for Online Learning, Educ. Rev, vol.38, 2003. ,
DOI : 10.4018/978-1-60566-198-8.ch163
Improving Learning and Reducing Costs: Outcomes from Changing the Equation " . Change: The Magazine of Higher Learning, pp.6-14, 2013. ,
DOI : 10.1080/00091383.2013.806169