TY  - BOOK
AU  - Ghosh,Lalitkumar
ED  - Asutosh Collection (National Library, India)
TI  - Plane trigonometry
U1  - 514.5 
PY  - 1911///
CY  - Calcutta
PB  - G. N. Halder
KW  - Plane trigonometry
N1  - Strickly according to the syllabus prescribed by the Indian University
ER  -