1. Essential ingredients for effective extension Collection: Agricultural Communications Documentation Center (ACDC) Format: Journal article Publication Date: 1986-03 Published: International: International Program for Agricultural Knowledge Systems, College of Agriculture, University of Illinois, Urbana Location: Agricultural Communications Documentation Center, Funk Library, University of Illinois Document Number: C17168 Journal Title: INTERPAKS Interchange Journal Title Details: 3(1) : 2-3 Notes: Review of John F.A. Russell, "Essential ingredients of an effective extension service and some issues arising from World Bank experience in sub-Sahara Africa." Presented to Zimbabwe's Annual Project Review Conference, May 1985.