This article is maintained in the office of the Agricultural Communications Program, University of Illinois, Urbana-Champaign -- "International" file section -- "OCIAC" file folder., Author argues for pretesting illustrations and graphics in communications related to agriculture.
The OCIAC Update series is maintained in the Agricultural Communications Program records > "International" section > "OCIAC" file., Summary of V.L. Cabanilla and T.R. Hargrove, "The effectiveness among farmers of a farmer's primer on growing rice in two Philippine dialects." Research Paper Series No. 127, February 1987. Manila, Philippines.