Plane trigonometry. /
Adanza, Estela G.
Plane trigonometry. / Estela G. Adanza. - C.M. Recto : Rex Book Store], c1983. - vi, 233 p.
Plane trigonometry.
F QA 583 A33 1983
Plane trigonometry. / Estela G. Adanza. - C.M. Recto : Rex Book Store], c1983. - vi, 233 p.
Plane trigonometry.
F QA 583 A33 1983