00435nam a2200145Ia 4500008004100000020001500041082002000056100001400076245003400090260005000124300000800174650004100182650003400223653003200257170901s2000    xx            000 0 und d  a8185694311  a630.71501bD27T  aDe, Dipak 0aTechniques of Theory Building  aVaranasibGanga Kaveri Publishing Housec2000  a130  aAgriculture and related technologies  aTechnology (Applied sciences)  aAgricultural extension work