Hassan, R. M. Maize technology development and transfer : a gis application for research planning in Kenya /ed. by R. M. Hassan - Oxon : CAB International, 1998. - 230 p. : gráfs. ISBN: 0 85199 287 0 LCCN: 77916 Subjects--Topical Terms: Agricultura--Innovaciones tecnológicas.Maíz--Kenia. Dewey Class. No.: 633.15 / H36