Rosenberg, R. Robert <br/><br/>
Essentials business mathematics/6e 

 - 6th ed. 
 - New York  McGraw-Hill  1964 
 - xi,370p 
<br/><br/><label>Subjects--Index Terms: </label>Business mathemstics 
<br/><br/><label>Dewey Class. No.: </label>658 403 3  / ROS