Linhardt, R. E. and Weston, C. R. (1986) “Safety Program Needs of Missouri Vocational Agriculture Departments as Identifed by Secondary School Administrators and Teachers of Vocational Agriculture”, Journal of Agricultural Systems, Technology, and Management, 1(2), pp. 3–9. Available at: https://jastm.org/index.php/jastm/article/view/11861 (Accessed: 23 February 2025).