Long, Calvin T. Mathematical reasoning for elementary teachers / Calvin T. Long, Duane W. DeTemple. - New York : HarperCollins College, c1996. - xxx, 1009, A-106 p. : ill. ; 27 cm. Includes bibliographical references and index. ISBN: 0673464830 LCCN: 94020863 Subjects--Topical Terms: Mathematics--Study and teaching (Elementary) LC Class. No.: QA135.5 / .D477 1996 Dewey Class. No.: 510