The Struggle against illiteracy throughout the world :
The Struggle against illiteracy throughout the world : Some successful experimentsbetween 1971 and 1980 and future prospects.
- París : UNESCO, 1983.
- 87 p. : il., retrs.
9231019988
37.014. 22 (100) =20 STRU
9231019988
37.014. 22 (100) =20 STRU