Humphrey, John K., Bob R. Stewart, and Richard E. Linhardt. “Preservice Elementary Education Majors’ Knowledge Of And Perceptions Toward Agriculture”. Journal of Agricultural Education 35, no. 2 (June 30, 1994): 27–30. Accessed July 13, 2024. https://jae-online.org/index.php/jae/article/view/1704.