Bennett, Albert B. Mathematics for elementary teachers : a conceptual approach / Albert B. Bennett, Jr., L. Ted Nelson. - 3rd ed. - Dubuque, IA : Wm. C. Brown, c1992. - xxiii, 696 p. : ill. ; 26 cm. Includes bibliographical references and index. ISBN: 0697059189 LCCN: 90085855 Subjects--Topical Terms: Mathematics. LC Class. No.: QA39.2 / .B476 1992 Dewey Class. No.: 510