International yearbook of education, Vol. XVII, 1955.
International yearbook of education, Vol. XVII, 1955.
- Geneva : Paris : IBE; UNESCO, 1955.
- 452 p.
- IBE publication ; 169. .
OC 37 (100) =20 "1955" INN Vol.17.
OC 37 (100) =20 "1955" INN Vol.17.