Alexander, L. G. <br/><br/>
Mainline :  progress B / 
L.G. Alexander. 
 - London :  Longman,  1973. 
 - 133 p. :  ill. ;  24 cm. 
<br/><br/> Students' book. 
<br/><br/><label>ISBN: </label>0582519470 (students' book) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>English language--Composition and exercises.