TY  - BOOK
AU  - Chakraborty A K
TI  - Prathamik jyotirbidya
U1  - 520 
PY  - 1979///
CY  - Calcutta
PB  - West Bengal State Book Board
KW  - Astronomy
KW  - Jyotirbidya
N1  - Contents in Bengali
ER  -