00437nam a2200181Ia 4500008004100000041000800041041000800049082002100057100002000078245002200098250000600120260004000126300000800166365001600174650002000190650002500210700002000235140306s9999    xx            000 0 und d  aeng  amal  a658 .403bCAR/DE  aCarroll, John S  aDecision research  a1  aNew DelhibSage Publicationsc 1990  a132  bRs .648 .90  aDecision making  aresearch methodology  aJohnson, Eric J