Valerien, Jacques
The educational administrator and instructional materials / [by Jacques Valerien] - Paris : Unesco, 1984 - 180p.
"ICEM and Unesco requested Jean Valerien ... to draw up this study"
9231022024
Comparative education
Instructional materials centers
Audio-visual materials
The educational administrator and instructional materials / [by Jacques Valerien] - Paris : Unesco, 1984 - 180p.
"ICEM and Unesco requested Jean Valerien ... to draw up this study"
9231022024
Comparative education
Instructional materials centers
Audio-visual materials