Parr, Brian, M. Craig Edwards, and James G. Leising. “Selected Effects of a Curriculum Integration Intervention on the Mathematics Performance of Secondary Students Enrolled in an Agricultural Power and Technology Course: An Experimental Study”. Journal of Agricultural Education 50, no. 1 (March 28, 2009): 57–69. Accessed August 15, 2024. https://jae-online.org/index.php/jae/article/view/1661.