Diagnosis and revision in the development of instructional materials
Gropper, George Leonard.
Diagnosis and revision in the development of instructional materials George L. Gropper. - Englewood Cliffs, N.J. Educational Technology Publications 1975. - xv, 211 p. ill.
Includes index.
Bibliography: p. 193-195.
0877780838
75014252
Teaching--Aids and devices.
Programmed Instruction
371.3078 / G876d
Diagnosis and revision in the development of instructional materials George L. Gropper. - Englewood Cliffs, N.J. Educational Technology Publications 1975. - xv, 211 p. ill.
Includes index.
Bibliography: p. 193-195.
0877780838
75014252
Teaching--Aids and devices.
Programmed Instruction
371.3078 / G876d