D'Augustine, Charles H. Teaching elementary school mathematics / Charles D'Augustine, C. Winston Smith, Jr. - New York, NY : HarperCollins Publishers, c1992. - xiv, 399 p. : ill. ; 28 cm. Includes bibliographical references and index. ISBN: 0060414731 LCCN: 91019058 Subjects--Topical Terms: Mathematics--Study and teaching (Elementary) LC Class. No.: QA135.5 / .D29 1992