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"Anuario 2011". Annual Census Figures (in Spanish). San José: Instituto Nacional de Estadística y Censos. 2011. Archived from the original on 20 November 2015. Retrieved 16 May 2014.
Quesada, Gerardo (12 December 2007). "Volcán Platanar sin monitoreo". San Carlos Al Dia (in Spanish). San Carlos, Costa Rica. Archived from the original on 17 May 2014. Retrieved 15 May 2014.
Zamora Hernandez, Carlos Manual; Yanory Alvarez Masis; Carlos Luis Fallas Pastor (2003). Monumentos Escultoricos Provinciales (in Spanish). San Jose: Ministerio de Juventud, Deportes, y Cultural. ISBN9977-59-164-4. Archived from the original on 17 May 2014. Retrieved 14 May 2014.
"Una Historia Llena de Alegrias"(PDF). Periodico La Segunda (in Spanish). Alajuela, Costa Rica. June 2012. Archived from the original(PDF) on 2014-05-17. Retrieved 13 May 2014.