Bengali Keyboard
Shahidulah, A. M. M.
A text book on higher Algebra and Trigonometry : plane & spherical / A. M. M. Shahidulah and P. K. Bhattacharjee. - 12th ed. - Chittagong, Dhaka : H. L. Chandanpura, c1964 [Reprinted 2000]. - 626 pages : illustrations ; 20 cm.
Algebra
Trigonometry.
512.13 SHA
A text book on higher Algebra and Trigonometry : plane & spherical / A. M. M. Shahidulah and P. K. Bhattacharjee. - 12th ed. - Chittagong, Dhaka : H. L. Chandanpura, c1964 [Reprinted 2000]. - 626 pages : illustrations ; 20 cm.
Algebra
Trigonometry.
512.13 SHA