1
Corporate Authors:
Group Author:
Published: The Unesco Press,
Publication Dates: 1976.
Call Number: F249.473/U6E/
Group Author:
Published: The Unesco Press,
Publication Dates: 1976.
Call Number: F249.473/U6E/
2
Main Authors:
Corporate Authors:
Group Author:
Published: Unesco, International Institute for Educational Planning,
Publication Dates: 1981.
Call Number: G649.1/U6E2/
Corporate Authors:
Group Author:
Published: Unesco, International Institute for Educational Planning,
Publication Dates: 1981.
Call Number: G649.1/U6E2/
3
Group Author:
Published: F. Pinter Unesco,
Publication Dates: 1982.
Call Number: G649.1-53/H638/
;
Published: F. Pinter Unesco,
Publication Dates: 1982.
Call Number: G649.1-53/H638/