2001
Howard, Jeff Wayne, Christopher Thomas Boleman, A. Alvery, A. B. Burkhum, K. D. Chilek, C. C. Stone, R. A. Howard, Jr., S. R. Cummings, and Martha Elaine Couch. 2001.
“Developing a program evaluation instrument for Texas 4-H: A work in progress”.
Journal of Extension 39(4).
https://archives.joe.org/joe/2001august/iw4.php