TY  - BOOK
AU  - Harris,David
TI  - Openness and closure in distance education
SN  - 1850001928 
U1  - 378.03  HAR
PY  - 1987///
CY  - London, New York
PB  - Falmer Press
KW  - Distance education
KW  -  Open University--Case studies
N1  - Includes bibliographical references and index
ER  -