TY  - BOOK
AU  - Pandey, H D
AU  - Srivastava R.J
AU  - Gupta K.K
TI  - Textbook of algebra and trignometry
SN  - 9789380199580
U1  - 512 
PY  - 2011///
CY  - New Delhi
PB  - Wisdom Press
ER  -