00302nam a2200121Ia 4500008004100000082001300041100002200054245003700076250001200113260003800125300000900163650000800172191201s2019    xx            000 0 und d  a510bDIE  aDINODIA, Jonardan 0aElements of Business Mathematics  a9th Rev  aN. DelhibJeevan Sons Publication  aMISC  aBBA