na INLIS000000000051914 20230428040331 0010-1021000167 230428 g 0 eng Agricultural extension: the training and visit system / Daniel Benor, James Q. Harrison BENOR, Daniel Washington, D.C. : World Bank, 1977 55 p. : ill. ; 23 cm. 373.68 BEN a Bibl. : p. 31 - 34 373.68 AGRICULTURAL EXTENSION TRAINING PROMGRAMMES HARRISON, James Q. 00000097672 1269/88