- Author: Rosario Gómez Roberto Urrunaga Roberto Bel
- Language: Spanish
- Year: 1997
- Author: Roberto Urrunaga Guillermo Berastain Luis Bravo
- Language: Spanish
- Year: 1994
- Author: Roberto Urrunaga Mario Aguirre Alberto Huarote
- Language: Spanish
- Year: 1992
- Author: Roberto Urrunaga, Universidad del Pacifico., Jose Luis Bonifaz
- Language: Spanish
- Year: 2008
- Author: Roberto Urrunaga, Antonio Risso, Tami Hiraoka
- Language: Spanish
- Year: 2014
- Author: José Bonifaz, Roberto Urrunaga, Carmen Astorne
- Language: Spanish
- Year: 2008
- Author: Roberto Urrunaga, Alberto Huarote
- Language: Spanish
- Year: 1993
- Author: Roberto Urrunaga, José Luis Bonifaz, Julio Aguirre, Gisella Aragón, Óscar Jara
- Language: Spanish
- Year: 2013
- Author: José L Bonifaz, Roberto Urrunaga
- Language: Spanish
- Year: 2008