Del Rosario, Asuncion C. Analytic geometry / Asuncion C. Del Rosario, Zenaida B. Espejo. - [s.l] : [s.n], ©1999. - 168 pages ; 25 cm. ISBN: 9179122072 Subjects--Topical Terms: Geometry, Analytic. LC Class. No.: QA551 / .D387 1999