TY  - BOOK
AU  - Ashit Das Gupta
AU  - Surya Bhushan Prasad
TI  - Modern approach to intermediate trigonometry
SN  - 9788177094718
U1  - 510.76   
PY  - 2002///
CY  - Patna
PB  - Bharati Bhawan
KW  - Trigonometry
KW  - Competitive Examinations
ER  -