1. Going the Distance: Online Education in the USA 2011;Allen,2011
2. A small sample study of traditional and online courses with sample selection adjustment;Anstine;Journal of Economic Education,2005
3. Quality Issues in Distance Learning (A Report from the Distance Learning Task Force);American Assembly of Collegiate Schools of Business – The International Association for Management Education,1999
4. Teaching economics at the start of the 21st century: still chalk-and-talk;Becker;American Economic Review,2001
5. Can web courses replace the classroom in principles of microeconomics?;Brown;American Economic Review,2002