TY  - BOOK
AU  - Psacharopoulos George Ed.
TI  - Information :  An essential factor in educational planning and policy
SN  - 9231016687
U1  - 2N7x, M0-;1 
PY  - 1980///
CY  - Paris
PB  - United Nations Educational Scientific and Cultural Organization  
KW  - LIBRARY SCIENCE
ER  -