Agricultural Communications Documentation Center, Funk Library, University of Illinois Document Number: C22086
Notes:
Pages 117-129 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: C21778
Notes:
Pages 227-259 in Sandra Braman (ed), Biotechnology and communication: the meta-technologies of information. Lawrence Erlbaum Associates, Mahwah, New Jersey. 287 pages.