Getting started with Stata for Windows : release 12

Getting started with Stata for Windows : release 12 . - College Station : Stata Press, cop. 2011 . - V, 144 p. : il. 24 cm . - (Stata 12)
1-59718-084-X Brochado978-1-59718-084-9

519.2:681.3.06
681.3.06:519.2