Ybera, Julieta I. The status of preschool education of Olivarez College at Parañaque / Julieta I. Ybera. - Paranaque City, Olivarez College, c2006 - xiv, 796 p. : black and white illustrations, 28 cm. Includes appendix and curriculum vitae. Dewey Class. No.: OCP BEED 0278