1. Empowering Online Learning, by Curtis J. Bonk and Ke Zhang
2. Assessing the Online Learner, by Rena M. Palloff and Keith Pratt
3. Distance Learning in Higher Education, by Alfred P. Rovai, Michael K.
Ponton, and Jason D. Baker
Teaching Techniques for the Non-traditional Student - by Thomas Hawkins
Adult Learners - by Barbara Powell