Robinson, Ronald I. <br/><br/>
Self-correcting problems in finance / 
Ronald I. Robinson and Robert W. Johnson 
 - 3rd ed. 
 - Boston  Allyn and Bacon  1976 
 - 254 p. :  ill. ;  28 cm. 
<br/><br/><label>ISBN: </label>0205054447 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Business mathematics