00645nam a2200169Ia 4500008004100000082001800041100001500059245011700074260004600191300000800237650004100245650003400286653003200320942001200352999001700364952009400381170901s1992    xx            000 0 und d  a630.717bM29G  aMani, P.S. 0aGuide for professional agricultural extension work under training and visit system for village extension workers  aNew DelhibDirectorate of Extensionc1992  a154  aAgriculture and related technologies  aTechnology (Applied sciences)  aAgricultural extension work  2ddccBK  c12580d12580  00102ddc4070aRAUbRAUd2017-10-18l0o630.717 M29Gp44603r2017-10-18w2017-10-18yBK