00581nam a2200181Ia 4500008004100000020001800041082001800059100002200077245007600099260004900175300000800224650004100232650003400273653003200307653002200339700001600361700002200377170901s2009    xx            000 0 und d  a9789380235035  a630.717bR20A  aRathakrishnan, T. 0aAdvances and Challenges in Agricultural Extension and Rural Development  aNew DelhibNew India Publishing Agencyc2009  a542  aAgriculture and related technologies  aTechnology (Applied sciences)  aAgricultural extension work  aRural development  aNirmala, L.  aThomas, Israel M.