The economist and farm people in a rapidly changing world: proceedings of the Thirteenth International Conference of Agricultural Economists, held at the University of Sydney, Sydney, New South Wales, Australia, 21-30 August 1967
International Conference of Agricultural Economists (13th 1967 University of Sydney) International Association of Agricultural Economists
London Oxford U.P. New York 1969
Disponible en ESALQ - Biblioteca LES (E 1196 13/1967 proceedings )(Obténgalo)