00488nam a2200157Ia 4500008004100000020001800041082001800059100001800077245005400095260004800149300000800197650004100205650003400246653003200280700001800312170901s2012    xx            000 0 und d  a9789381226193  a630.717bK98A  aKumar, Dileep 0aAgricultural ExtensionbInnovations and Dimension  aDelhibSatish Serial Publishing Housec2012  a650  aAgriculture and related technologies  aTechnology (Applied sciences)  aAgricultural extension work  aSingh, Khajan