Hoel, Paul Gerhard, Finite mathematics and calculus with applications to business [by] Paul Hoel. - New York Wiley [1974] - ix, 446 p. illus. 24 cm. 920306 ISBN: 0471404306 LCCN: 73019505 //r89 Subjects--Topical Terms: Mathematics LC Class. No.: QA37.2 / .H64 Dewey Class. No.: 510