TY  - BOOK
AU  - Edström,Lars Olof
AU  - Erdos,Renée F.
AU  - Prosser,Roy
TI  - Mass education: Studies in adult education and teaching by correspondence in some developing countries
U1  - 374 
PY  - 1970///
CY  - Stockholm
PB  - Almqvist & Wiksell
KW  - Adult education
KW  - Correspondence schools and courses
N1  - includes bibliography and index
ER  -