VANCE, ELBRIDGE PUGMAN. ALGEBRA Y TRIGONOMETRIA/ E.P. VANCE - 2 - BOGOTA ; MEXICO: F.E.I. 1978 - XI, 462 P. 23 CM. INCLUYE INDICE. ISBN: 968-6630-06-0 Subjects--Topical Terms: 1.ALGEBRA.2.TRIGONOMETRIA. Dewey Class. No.: 512.13 V35