Agricultural Communications Documentation Center, Funk Library, University of Illinois Document Number: C21600
Notes:
Pages 175-187 in Susan L. Senecah (ed.), The Environmental Communication Yearbook. Volume 1. Lawrence Erlbaum Associates, Mahwah, New Jersey. 267 pages.
Agricultural Communications Documentation Center, Funk Library, University of Illinois Document Number: C22085
Notes:
Pages 105-114 in Charles Okigbo and Festus Eribo (eds.), Development and communication in Africa. Rowman and Littlefield Publishers, Inc., Lanham, Maryland. 249 pages.