00439 a2200157 4500 20250613072648.0 978-0-07-305191-8 515HOF HOFFMANN. D. L Calculus ; For Business Economics and the social and Life Sciences 9th Ed, USA, New York, 2007. xxx, 750p, ill, table, figure, picture Index 27cm BRADLEY. L. G ddc BKS 3935 3935