00478nam a2200145Ia 4500008004100000082001800041100002600059245005900085260005000144300000800194650004100202650003400243653003200277653002300309170901s1981    xx            000 0 und d  a630.717bP14P  aPandey, Sachchidanand 0aTraining and Visit Extension SystembA Scientific View  aBiharbRajendra Agricultural Universityc1981  a104  aAgriculture and related technologies  aTechnology (Applied sciences)  aAgricultural extension work  aTraining and visit