00326pab a2200133 454500008004000000100001600040245007000056260000900126300001000135362001200145650001100157650001600168773000800184180718b1999   xxu||||| |||| 00| 0 eng d  aSingh, B.B.  aAttributing factors to technological gap on tribal farms: a study  c1999  ap.1-7  aJul-Sep  aTribes  aAgriculture  aTui