Tyran, Michael. <br/><br/>
Handbook of business and financial ratios /​ 
Michael R. Tyran. 
 - London :  Woodhead-Faulkner,  1986. 
 - xvi, 254 p. :  ill. ;  24 cm. 
<br/><br/><label>ISBN: </label>0859417956 
<br/><br/><label>Dewey Class. No.: </label>658.151 TYR 1986