[IA Reconocimiento de Voz] - Programa para reconocimiento de voz
[beginners guide to world economy] - very nice for beginners
[Econometrics - Hayashi] - Hayashi's Econometrics promises to be the next great synthesis of modern econometrics. It covers all the standard material necessary for understanding the principal techniques of econometrics from ordinary least squares through cointegration. The book is also distinctive in developing both time-series and cross-section analysis fully, giving the reader a unified framework for understanding and integrating results.
[Macroeconomics - Mankiw - 5th editio...] - The fifth edition of the #1 bestselling intermediate macroeconomics text, with coverage based on the most recent data available, plus new student media resources.