1. Farm level cotton yields and the research and extension services in Tanzania Collection: Agricultural Communications Documentation Center (ACDC) Contributers: Saylor, R. G. (author) Format: Journal article Publication Date: 1974 Published: Brazil Location: Agricultural Communications Documentation Center, Funk Library, University of Illinois Box: 50 Document Number: C00292 Journal Title: Eastern Africa Journal of Rural Development Journal Title Details: 7(12): 46-60 Notes: Phase 1