Gacelo, Ester Paunlagui Principles of teaching 1 / Principles of teaching Ester Paunlagui-Gacelo. - Quezon City : C & E Publishing, c2012. - ix, 126 pages. : illustrations ; 22 cm. Includes bibliographical references and index. ISBN: 9789719924821 (NP) Subjects--Topical Terms: Teaching--Philippines. LC Class. No.: LB1025.3 / .G32 2012