Communicate effectively in english 1:  workbook/  -- Second edition.  -- Makati, Metro Manila:  Diwa Learning Systems, Inc.,  1994. <br/> ill.;  26. <br/><br/><label>ISBN: </label>9714800013 <br/><br/><label>Subjects--Topical Terms: </label><br/>English language<br/><br/><label>Dewey Class. No.: </label>HS Cir 420.7 C737 1994 Bk.1