MASON, R. D. <br/><br/>
Statistical Techniques in Business and Economics 

 - 4th Ed. 
 - Illinois,  Richard D. Irwin,  1978. 
 - xx, 596p.: figure, graph, table  Index.  23cm. 
<br/><br/><label>ISBN: </label>0-256-02025-6 
<br/><br/><label>Dewey Class. No.: </label>519.5 MAS