00535nam a22001697a 4500 OSt 20220520093750.0 030206s2002 ck 000 0 spa d OSt 21 333.76 B466 1174 Benor, Daniel Agricultural extension : Daniel Benor; James Q. Harrison The training and visit system / Washington: World Bank, 1977. 55 p. LEMB AGRICULTURA EXTENCIÓN AGRÍCOLA QUÍMICA AGRICOLA 68 ddc BK 11317 11317 0 0 ddc USAP 0 0 GRAL usps usps GEN 2016-03-08 0 333.76 B466 1977 15234 2016-03-08 00:00:00 Ej. 1 2016-03-08 BK