TY  - BOOK
AU  - 
AU  - Good Books Distributors Publishers
TI  - গণিত সূত্র
U1  - 510.7 23rd ed.
PY  - 0000///[n.d.]
CY  - Kolkata
PB  - G. B. D.
KW  - Mathematics
KW  - Study and teaching
KW  - Problem solving
KW  - Methodology
ER  -