Advincula, Myrna Ponesto Variables Affecting the Common errors in Mathematics By Grade Five Pupils of Nabua East District Division of Camarines Sur / Myrna Ponesto-Advincula - San Miguel, Iriga City University of Saint Anthony 1994 - 91 leaves : tables, figures ; Includes bibliograhical references Dewey Class. No.: 510 MAED / A9