TY  - BOOK
AU  - Bhattacharya,S.P.
TI  - Personalized System of Instruction,     :  
SN  - 8120203771
U1  - 371.3  
PY  - 1992///
CY  - Delhi
PB  - Ajanta Publications
KW  - Schools And Their Activities, Method Of Instruction And Study
N1  - Includes bibliography
ER  -