Vizcarra, Florante O. Introduction to educational research/ by Florante O. Vizcarra; edited by Ernie T. Bhagwani - Quezon City: Great Books Trading, c2003. - ix, 239 pages: illustrations; 22 cm. Includes bibliographical references and appendices. ISBN: 9718581553 Subjects--Topical Terms: Education--Research Dewey Class. No.: DFil 370.72 / V82i