[1]
Claycomb, D.M. and Petty, G.C. 1983. A Three Year Longitudinal Study Of The Perceived Needs For Assistance As Ranked By Vocational Agriculture Instructors. Journal of Agricultural Education. 24, 4 (Dec. 1983), 28–33. DOI:https://doi.org/10.5032/jaatea.1983.04028.