Literacy and the adult learner :
Literacy and the adult learner : the psychological barrier.
- París : New York : UNESCO ; UNICEF , 1980.
- 18 p. : il.
- Notes, Comments ... ; 56. .
37.014. 22 (540)=20 ALP No.56.
37.014. 22 (540)=20 ALP No.56.