TY  - BOOK
AU  - Verma, S.L..
TI  - National information system in education: a comparative study / 
SN  - 81-7022-571-X
U1  - 2 
PY  - 1996///
CY  - New Delhi : 
PB  - Concept Publishing Company , 
KW  - Library Science <Indian Information>
ER  -