00349nam a2200109Ia 4500008004100000020002200041100002800063245006100091260004900152300002200201650001600223200907s9999    xx            000 0 und d  a978-971-98-1072-8  aBaltazar, Ethel Cecille  cEthel Cecille BaltazaraMathematics in the modern world/  aQuezon City:bC and E Publishing, Inc.c2018  a270 pagesc21 cm.  aMathematics