00525nam a2200181Ia 4500008004100000020001500041082001800056100002200074245002700096250000600123260006300129300000800192650004100200650003400241653003200275653001800307700001800325170901s1998    xx            000 0 und d  a8123905769  a630.715bB20A  aBan, den van A.W. 0aAgricultural Extension  a2  aNew DelhibCPS Publishers and Distributors Pvt. Ltd.c1998  a294  aAgriculture and related technologies  aTechnology (Applied sciences)  aAgricultural extension work  aCommunication  aHawkins, H.S.