Econometric methods with applications in business and economics / 
Christiaan Heij ... [et al.] 
 - Oxford :  OUP,  2004. 
 - xxv, 787 p. 
<br/><br/><label>ISBN: </label>0199268010 :  KES 5,849 
<br/><br/><label>LC Class. No.: </label>HB139  / .E26