Choudhury, Tarakeswar .

Triconomiti / Textual Documents Tarakeswar Choudhury. - 1st ed. / - Guwahati : Gian Peeth , 1984. - 95p. : ill ; 22cm .

Trigonometry-Hihger Secondary Course

Trigonometry G-Mathematics

516.24 / Ch 457 Tr