Lucido, Paz I., PH.D <br/><br/>Educational Technology  -- Quezon city:  KATHA Publishing Co, Inc,  1997. <br/><br/> References <br/><br/><label>ISBN: </label>971574 0103 <br/><br/><label>Dewey Class. No.: </label>Cir 371.334 L963 1997