- Author: Manuel Roncal Milagros Barrantes (auts.), Vinnie Rodríguez (trad.)
- Language: Spanish, English
- Year: 2013
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- Language: Spanish
- Year: 2004
- Author: Manuel Roncal Darwin Díaz Carlos Roncal Walter Rabanal
- Language: Spanish
- Year: 2013
- Author: Nilton Deza
- Language: Spanish
- Year: 2002