Slocum, Keith <br/><br/>
The english workshop :  a programmed approach. 

 - 5th ed. 
 - US :  Mc Graw Hill,  2003. 
 - xii, 676 p.  ill.  28 cm. 
<br/><br/>Includes index 
<br/><br/><label>ISBN: </label>9780072935905 
<br/><br/><label>Subjects--Topical Terms: </label><br/>English language 
<br/><br/><label>LC Class. No.: </label>8081.0666SI20 KE 2003