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.
This article is maintained in the office of the Agricultural Communications Program, University of Illinois, Urbana-Champaign - "International" file section - "OCIAC" file folder.