Das, B.C.
39893 40202 40594 40634 42743 43632 43687 44147 45681
Higher trigonometry . — 14th.ed. C1-15th.ed. C2-17th.ed. C4-19th.ed. . — Calcutta : U.N. Dhur, Publ. Dt. not found.
xvi,302p. 18.5cm.
Rs.8.00 C3-tr. to Mathematics Cl.lib. Subjects--Index Terms: Mathematics
Koha