00503nam a2200169Ia 4500008004100000020001500041082001800056100002300074245003700097260003900134300000800173650004100181650003400222653003200256700002100288700002400309170901s2005    xx            000 0 und d  a8170354080  a630.715bS96I  aSwanson, Burton E. 0aImproving Agricultural Extension  aDelhibDaya Publishing Housec2005  a220  aAgriculture and related technologies  aTechnology (Applied sciences)  aAgricultural extension work  aBentz, Robert P.  aSofranko, Andrew J.