Kotrlik, Joe W., and Donna H. Redmann. “A Trend Study: Technology Adoption in the Teaching-Learning Process by Secondary Agriscience Teachers-2002 and 2007”. Journal of Agricultural Education 50, no. 2 (June 30, 2009): 62–74. Accessed February 22, 2025. https://jae-online.org/index.php/jae/article/view/607.