Saettler, L. Paul.
A history of instructional technology. - New York, McGraw-Hill [1967, c1968] - xv, 399 p. illus., ports. 23 cm.
Bibliography: p. [371]-384.
67021599
Education--Philosophy.
Teaching--Aids and devices.
Audio-visual education.
LB885 / .S15 1968
A history of instructional technology. - New York, McGraw-Hill [1967, c1968] - xv, 399 p. illus., ports. 23 cm.
Bibliography: p. [371]-384.
67021599
Education--Philosophy.
Teaching--Aids and devices.
Audio-visual education.
LB885 / .S15 1968