00494nam a2200157Ia 4500008004100000082001800041100002400059245005900083250000600142260005000148300000800198650004100206650003400247653003200281653002300313170901s1981    xx            000 0 und d  a630.717bP14P  aPandey, Sachidanand 0aTraining and Visit Extension SystembA Scientific View  a1  aBiharbRajendra Agricultural Universityc1981  a104  aAgriculture and related technologies  aTechnology (Applied sciences)  aAgricultural extension work  aTraining and visit