Lever-Duffy, Judy. Teaching and learning with technology / Judy Lever-Duffy, Jean B. McDonald, Al P. Mizell. - Boston : Allyn and Bacon, c2003. - xxi, 439 p. : col. ill. ; ISBN: 0321054059 (pbk.) Subjects--Topical Terms: Educational technology.Computer-assisted instruction.Computer network resources.Audio-visual materials. LC Class. No.: LB1028.3 / .L49 2003 Dewey Class. No.: 371.33/4