Hanagriff, Roger D., Tim H. Murphy, T. Grady Roberts, Gary E. Briers, and James R. Lindner. 2010. “Economic Impact of Supervised Agricultural Experiences: Returns from SAE Investment Costs in Texas, 2007–2008”. Journal of Agricultural Education 51 (4):71-81. https://doi.org/10.5032/jae.2010.04071.