Stata programming :  reference manual : release 11. 
 Stata release 11 :  programming  Stata 11 : programming 

 - College Station, Tex. :  StataCorp LP,  c2009. 
 - ix, 482 p. ;  24 cm. 
<br/><br/> "A Stata Press publication."  Includes index. 
<br/><br/><label>ISBN: </label>9781597180603 (pbk.) 1597180602 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social sciences
<br/><br/><label>Dewey Class. No.: </label>005 SAT 2009 A004 Or.