Understanding Economic Growth : A Macro-Level, Industry-Level, and Firm-Level Perspective (Portuguese Edition): Compreender o Crescimento EconóMico.
Teach Yourself Brazilian Portuguese: Complete Course
Teach Yourself Portuguese: A Complete Course for Beginners
葡萄牙语语法大全 - Grande Gramática Portuguesa Explicada
葡萄牙语读写基础教程 - Manual Elementar de Português Escrito e Falado [书]
实用葡萄牙语教程 初级教程 - Manual Prático de Português [书]
The Rational Male by Rollo Tomassi Portugues (2013) - John Lougan