Elias, Rochid J. Mathematics for business and economics / Rochid J. Elias. - New York : Van Nostrand, c1979. - ix, 342 p. : ill. 25 cm. Includes index. ISBN: 442217579 Subjects--Topical Terms: Business mathematics.;Economics, Mathematical. Dewey Class. No.: 510.24658 / ELI 1979.