Safier, Fred <br/><br/>
Theory and problems of pre calculus. 
Fred Safier 
 - New Delhi:  McGraw Hill,  2005. 
 - 407p. 
<br/><br/><label>Subjects--Index Terms: </label>Algebra. Trygonometry. 
<br/><br/><label>Universal Decimal Class. No.: </label>512  / SAF