Fritz, Susan, John E. Barbuto, David Marx, Arlen Etling, and Shawn Burrow. “MOTIVATION AND RECOGNITION PREFERENCES OF 4-H VOLUNTEERS”. Journal of Agricultural Education 41, no. 3 (September 30, 2000): 40–49. Accessed February 16, 2025. https://jae-online.org/index.php/jae/article/view/807.