TY  - BOOK
AU  - Devasarma , Bijoy Krishna .
AU  - Bhattacharjyya, Ratnajit .
TI  - Uchchatara Madhyamik Balbijnan .Part -1
U1  - 531 
PY  - 1990///
CY  - Hyderabad
PB  - Orient Longman Ltd
KW  - Physics
KW  - T/G-Physics
ER  -