International Conference on Public Education : Vol. 13 /
- Unesco : 1961. Geneva ,
- v. 24 cm.
- International Bureau of Education. Publication. [from old catalog]))))) .
49049502
Education--Congresses.
L10 / .I6952 subser.
379.06 / UNI
49049502
Education--Congresses.
L10 / .I6952 subser.
379.06 / UNI