TY  - BOOK
AU  - Holmberg,Brje
TI  - On the status of distance education in the world in the 19805: a preliminary report on the fernuniversitt comparative study 
AV  - LC6219 H6.6 
PY  - 1985///
CY  - [S.l.]
PB  - ZIFF
KW  - Educación a distancia
N1  - Fotostáticas
ER  -