Plane and spherical trigonometry /
Kells, Lyman M.
Plane and spherical trigonometry / Lyman M. Kells, Willis F. Kern, James R. Bland - 3rd ed. - [Mandaluyong City]: National Book Store, [distributor], c1978 - ix, 290p.
Originally published: McGraw-Hill, 1951
971-08-1917-8
Trigonometry
516.24 K29 1978
Plane and spherical trigonometry / Lyman M. Kells, Willis F. Kern, James R. Bland - 3rd ed. - [Mandaluyong City]: National Book Store, [distributor], c1978 - ix, 290p.
Originally published: McGraw-Hill, 1951
971-08-1917-8
Trigonometry
516.24 K29 1978