Jay, Maurer <br/><br/>
Focus on grammar/  advanced level  [electronic resource] : 
Jay Maurer 
 - [S.l],:  Addison-Wesley Longman  c1996 
 - 1 computer disc:  sd.;  12 cm 
 - Longman Grammar Series .
<br/><br/> The interactive program for learners of English 
<br/><br/><br/>For Windows and Macintosh <br/>Need to be install to the computer. 
<br/><br/><label>ISBN: </label>MED0001853(Local) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>English language--Grammar