1. Adoption of technology by subsistence farmers in northern Nigeria (mixed cropping) Collection: Agricultural Communications Documentation Center (ACDC) Contributers: Balcet, Jean-Claude Leon (author) Format: Ph.D. Dissertation Publication Date: 1998 Published: USA Location: Agricultural Communications Documentation Center, Funk Library, University of Illinois Box: 118 Document Number: C13374 Journal Title: Dissertation Abstracts International Journal Title Details: <58(12): 4743> Notes: 503 p., Cornell University