Stata data management reference manual release 10.

Stata user's guide release 10.

Stata quick reference and index release 10.

Stata graphics reference manual release 10.

The essentials of statistics a tool for social research por Healey, Joseph F. 1945-

SPSS for dummies por Griffith, Arthur

Table of contents only

Stata base reference manual release 10.

Stata longitudinal reference manual, release 10.

Getting started with Stata for Windows release 10.

Stata programming reference manual release 10.