1. Teaching childcare and safety skills to parents with intellectual disabilities through self learning;Feldman;Journal of Intellectual & Development Disability,1999
2. Frick, et al. 5-Star Instructional Design: Evaluation of Web-Based Instruction in Medical Science, 2002. http://www.indiana.edu/~tedfrick/aect2002/frickwatsoncullenhan.pdf..
3. Rapid Instructional Design;piskurich,2000
4. Why Some Material Is Difficult to Learn. Cognition and Instruction;Sweller;JSTOR,1994
5. Teaching in virtual worlds: Opportunities and challenges. Issues in InformingScience and Information Technology;Kluge;Informing Science Institute,2008