Agricultural Communications Documentation Center, Funk Library, University of Illinois Document Number: C22087
Notes:
Pages 131-139 in Charles Okigbo and Festus Eribo (eds.), Development and communication in Africa. Rowman and Littlefield Publishers, Inc., Lanham, Maryland. 249 pages.
Agricultural Communications Documentation Center, Funk Library, University of Illinois Document Number: C14189
Notes:
Chapter 9 in Neville Jayaweera and Sarath Amunugama (eds.), Rethinking development communication. Asian Mass Communication Research and Information Centre, Republic of Singapore. 264 pages.