TY  - BOOK
AU  - Sewart, David  (ed) ; Keegan Desmond (ed)  & Holmberg, Borje (ed)
TI  - Distance Education: international perspectives
SN  - 0-415-01051-9
U1  - 374.4 Sew 
PY  - 1988///
CY  - Routledge, London
ER  -