00319nam a22000977a 4500082001500000100001700015245009400032260005500126300001100181650002900192  a338.16 MIS  aMisra, R. P.  aDiffusion of agricultural innovations :ba theoretical and empirical study /cR. P. Misra  aMysore :bPrasaranga, University of Mysore,c1968.  a207 p.  aAgricultural innovations