Avila, Dorcas M. <br/><br/>Effective writing: a worktext/ Dorcas M. Avila, et al.  -- Valenzuela City, Philippines;  Mutya Publishing House, Inc.,  2009. <br/>194 p.;  27 cm. <br/><br/> Includes bibliographical references. <br/><br/><label>ISBN: </label>9789718211571 <br/><br/><label>Dewey Class. No.: </label>GSL 808.0427 Ef363 2009