Gerlach, Vernon S., 1922-
Teaching and media; a systematic approach [by] Vernon S. Gerlach [and] Donald P. Ely. - Englewood Cliffs, N.J., Prentice-Hall [1971] - xiii, 392 p. illus. 24 cm.
Includes bibliographies.
0138913331
71138476
Audio-visual education.
Teaching--Aids and devices.
LB1043 / .G47 1971
Teaching and media; a systematic approach [by] Vernon S. Gerlach [and] Donald P. Ely. - Englewood Cliffs, N.J., Prentice-Hall [1971] - xiii, 392 p. illus. 24 cm.
Includes bibliographies.
0138913331
71138476
Audio-visual education.
Teaching--Aids and devices.
LB1043 / .G47 1971