Lankford, Francis G. <br/><br/>
Essential mathematics / 
Francis G.Lankford andJames F.Ulrich 
 - 3rd ed. 
 - London :  Harcourt brace jovanovich ,  c1975. 
 - vii, 536 p . ;  Col . ill ;  24 cm.  
<br/><br/> includes index 
<br/><br/><br/>eng. 
<br/><br/><label>ISBN: </label>0153531908  TZS 312/= 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics<br/>Algebra
<br/><br/><label>Dewey Class. No.: </label>510 LAN