Abad, Marietta A. <br/><br/>Paghahanda ng mga kagamitang pampagtuturo / Priscilla Castañeto-Ruedas , Marietta Alagad-Abad. --  -- Mandaluyong City :  National Book Store,  c1996. <br/>xi, 149 p. ;  22 cm. <br/><br/> Includes bibliographical references.  <br/><br/><label>ISBN: </label>971-08-5894-7 <br/><br/><label>Subjects--Topical Terms: </label><br/>Teaching -- Aids and devices.