00403nam a2200133Ia 4500008004100000082001800041100001700059245003800076260004000114300000800154650004100162650003400203653003200237170901s1962    xx            000 0 und d  a630.717bF23N  aFay, Ivan G. 0aNotes on Extension in Agriculture  aBombaybAsia Publishing Housec1962  a204  aAgriculture and related technologies  aTechnology (Applied sciences)  aAgricultural extension work