00297nam a2200109Ia 4500008004100000082002100041100001500062245006400077260002300141300000900164650001400173060110s9999    xx            000 0 und d  a330.154 3bPOT/T  aPOTTI, L R 2aA text book of basic tools for economic analysiscL R Potti  bYamuna Publication  a562p  a330.154 3