00503nam a2200169Ia 4500008004100000020001500041082001800056100002300074245003000097260004600127300000800173650004100181650003400222653003200256700002100288700002400309170901s2007    xx            000 0 und d  a8170354730  a630.715bS96K  aSwanson, Burton E. 0aKrishi Prasar Main Sudhar  aU.S.A.bKhadh Avam Krishi Sangathanc2007  a279  aAgriculture and related technologies  aTechnology (Applied sciences)  aAgricultural extension work  aBentz, Robert P.  aSofranko, Andrew J.