Education and essential needs of the rural population of Central America :
Education and essential needs of the rural population of Central America : experiments in six villages.
- Paris : New York : UNESCO; UNICEF, 1980.
- 155 p. il.
9231017632
37.018. 523 (728)=20 "1980" EDU.
9231017632
37.018. 523 (728)=20 "1980" EDU.