- Author: Alfredo Bullard
- Language: Spanish
- Year: 2019
- Author: Miguel Jaramillo & Daniela Campos
- Language: Spanish
- Year: 2019
Contratos
pdf
- Author: Orlando Gomes
- Language: Portuguese
- Year: 2009
- Author: Lockheed Martin., Hartung William D
- Language: English
- Year: 2012
- Author: Caio Mário da Silva Pereira
- Language: Portuguese
- Year: 2017
- Author: Editorial Estudio
- Language: Spanish
- Year: 2018
- Author: Frondizi Arturo
- Language: Spanish
- Author: Frigerio Rogelio
- Language: Spanish
- Year: 1981
- Author: Frondizi Arturo
- Language: Spanish
- Year: 1956
- Author: Menotti Emilia, Olcese Haroldo
- Language: Spanish
- Year: 2008