Lever-Duffy, Judy Teaching and learning with technology / Judy Lever-Duffy, Jean B. McDonald, Al P. Mizell - Boston : Allyn and Bacon, 2003 - xxi, 439 p. : ill. ; 29 cm. Includes bibliographical references and index ISBN: 0321054059 (pbk.) RM280.07 LCCN: 2002-033253 Subjects--Topical Terms: Educational technologyComputer-assisted instructionComputer network resourcesAudio-visual materials