00609cam a2200217 a 4500 9781597180917 1597180912 BTCTA 005 STA 2011 A002 Or. Stata programming reference manual : release 12. Stata release 12: programming Stata 12 : programming College Station, Tex. : StataCorp LP, c2011. ix, 486 p. ; 24 cm. "A Stata Press publication." Includes index. Statistics Social sciences StataCorp LP. EK 16495 16495 0 0 0 005_000000000000000_STA_2011_A002_OR 0 71181 LBA LBA A002 2018-02-27 005 STA 2011 A002 Or. A15795 2018-02-27 2018-02-27 EK