Stata 7:  Stata user's guide release 7/ 

 - Texas :  Stata Press,  2001 
 - 386 p. :  ill. ; 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>1881228479 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Stata guide
<br/><br/><label>LC Class. No.: </label>QA276.4 .S825 2001