Belen, Venus M Effective study and thinking skills / Venus M. Belen [ and four others]. - Bulacan, Philippines : Trinitas Publishing, Inc., 2003. - [xi], 189 pages ; 25 cm Includes indexes and biographical records. Includes bibliographical references. ISBN: 971-42-0399-6 Subjects--Topical Terms: Study and thinking skills. Dewey Class. No.: Fil./G.Ed. 371.30281 Ef27 2003