Agricultural Communications Documentation Center, Funk Library, University of Illinois Box: 139 Document Number: D05918
Notes:
Via website of the United Nations Conference on Trade and Development (UNCTAD), Geneva, Switzerland. UNCTAD Current Studies on Science, Technology and Innovation, No. 9. 84 pages.
Agricultural Communications Documentation Center, Funk Library, University of Illinois Box: 192 Document Number: D03125
Notes:
Visual Aids in Agricultural Extension Series, Scientific Communication Service of the Inter-American Institute of Agricultural Sciences of the Organization of American States. 39 pages.