- Author: Ricardo Alexandre
- Language: Portuguese
- Year: 2022
- Author: Ricardo Alexandre
- Language: Portuguese
- Author: Ricardo Alexandre
- Language: Portuguese
- Year: 2021
- Author: Ricardo Alexandre
- Language: Portuguese
- Year: 2020
- Author: Ricardo Alexandre
- Language: Portuguese
- Year: 2017
- Author: Ricardo Alexandre Ferreira
- Language: Portuguese
- Year: 2011
- Author: Ricardo Alexandre
- Language: Portuguese
- Year: 2013
- Author: Ricardo Alexandre
- Language: Portuguese
- Year: 2017
- Author: Pinto Mario Teixeira, Queiros Ricardo Alexandre Peixoto de, Simoes Alberto
- Language: English
- Year: 2019
- Author: Ricardo Alexandre, João de Deus
- Language: Portuguese
- Year: 2017