Hess, Alexander J., and Cary J. Trexler. “A Qualitative Study of Agricultural Literacy in Urban Youth: What Do Elementary Students Understand about the Agri–food System?”. Journal of Agricultural Education 52, no. 4 (December 31, 2011): 1–12. Accessed July 22, 2024. https://jae-online.org/index.php/jae/article/view/1151.