Rosenberg, R. Robert <br/><br/>
Essentials of Business Mathematics 

 - 6th ed. 
 - New York  McGraw- Hill Book Company   1964 
 - xi,370p.ill.23cm. 
<br/><br/> Incudes Index 
<br/><br/><label>Dewey Class. No.: </label>513.93 ROS