Persley, G. J. Investment strategies for agriculture and natural resources : investing in knowledge for development /ed. by G. J. Persley - Wallingford, UK : CAB International, 1998. - 316 p. : gráfs. ISBN: 0851992803 LCCN: 80600 Subjects--Topical Terms: Agricultura--Investigación.Recursos naturales--Investigación. Dewey Class. No.: 630.72 / P6