Gerlach, Vernon S., 1922-
Teaching and media : a systematic approach / Vernon S. Gerlach, Donald P. Ely, with the assistance of Rob Melnick. - 2d ed. - Englewood Cliffs, N.J. : Prentice-Hall, c1980. - x, 420 p. : ill. ; 24 cm.
Includes bibliographical references and index.
0138913587
79026597
Audio-visual education.
Teaching--Aids and devices.
LB1043 / .G37 1980
Teaching and media : a systematic approach / Vernon S. Gerlach, Donald P. Ely, with the assistance of Rob Melnick. - 2d ed. - Englewood Cliffs, N.J. : Prentice-Hall, c1980. - x, 420 p. : ill. ; 24 cm.
Includes bibliographical references and index.
0138913587
79026597
Audio-visual education.
Teaching--Aids and devices.
LB1043 / .G37 1980