References:
1. Boone, K, Miller, L & Brown, L. (1996). Reaching Higher Levels of Cognition Using Publications. Journal of Agricultural Education. 73: 53-66.
2. Campbell, D & Stanley, J. (1963). Experimental and Quasi- Experimental designs for research. Skokie, IL: Rand McNally
3. Knowles, M. (2001). Andragigy. Available on : http://nlu.nl.edu/academics/cas/ace/resources/malcomknowles.cfm
4. Wichita Public Schools. (2006). Inservice education. Available on :
http://boe.usd259.org/modules/groups/homepagefiles/gwp
5. Hersman, E. M. (2004). Knowledge and Dissemination of Sustainable Agriculture Practices by County Extension Agents in Ohio, Pennsylvania, and West Virginia. Thesis submitted to the Davis College of Agriculture, Forestry, and Consumer Sciences at West Virginia University Master of Science in Agricultural Education