TY  - BOOK
AU  - Sewart, David, Keegan, Desmond and Holmberg, Borje
TI  - Distance education : international perspectives
SN  - 070991525X
U1  - 374.4 
PY  - 1983///
CY  - London
PB  - Croom helm
KW  - Distance education
KW  - Education
ER  -