TY  - BOOK
AU  - Sharma,K.D.
AU  - Sharma,D.V.
TI  - Open learning system in India: with special refrence to school education 
SN  - 8170232368 :
U1  - 371.35 
PY  - 1993///
CY  - New Delhi
PB  - Allied Publishers
KW  - Distance education
ER  -