Goodman, Arthur. Understanding elementary algebra : a course for college students / Arthur Goodman, Lewis Hirsch. - 2nd ed. - St. Paul : West Pub. Co., c1990. - xiii, 499 p. : ill. ; 26 cm. Includes index. ISBN: 0314481222 LCCN: 88033810 Subjects--Topical Terms: Algebra. LC Class. No.: QA152.2 / .G664 1990 Dewey Class. No.: 512.9