Grady, Michael D., 1946- College algebra. - 9th ed. / Michael D. Grady, Irving Drooyan. - Boston : PWS Pub., c1995. - xxiv, 535 p. : ill. ; 26 cm. Includes index. ISBN: 0534943861 (alk. paper) LCCN: 94039522 Subjects--Topical Terms: Algebra. LC Class. No.: QA154.2 / .G72 1995 Dewey Class. No.: 512.9