- Author: Óscar Arias Sánchez
- Language: Spanish
- Year: 1990
- Author: Óscar Arias Sánchez
- Language: Spanish
- Year: 1976
- Author: Óscar Arias Sánchez
- Language: Spanish
- Year: 1987
- Author: Óscar Arias Sánchez, Manuel E. Araya Incera (comp.)
- Language: Spanish
- Year: 1989
- Author: John Hill Wheeler
- Language: Spanish
- Year: 1974
- Author: World Bank
- Language: English
- Year: 2005
- Author: Gerard M. La Forgia
- Language: English
- Year: 2005
- Author: C. Felipe Jaramillo, Lederman Daniel
- Language: English
- Year: 2006
- Author: J. Humberto Lopez, Rashmi Shankar, Rashmi Shankar
- Language: English
- Year: 2011
- Author: Laura Barbas-Rhoden
- Language: English
- Year: 2003