TY  - BOOK
AU  - Mahmud,Sultan
AU  - Hossain,Syed Quasim
AU  - Ray,Nalini Ranjan
TI  - A text book on higher trigonometry
U1  - 516.24 19
PY  - 1964///
CY  - Dhaka, Bangladesh
PB  - East Bengal Pub.
KW  - Trigonometry
N1  - For B A & B Sc. Pass and Honours Students
ER  -