Ulloa Carmiol, A., & Goicoechea Carranza, C. (2013). Geotourism potential of underground sites in Costa Rica.
Chicago Style CitationUlloa Carmiol, Andrés, and Carlos Goicoechea Carranza. Geotourism Potential of Underground Sites in Costa Rica. 2013.
MLA CitationUlloa Carmiol, Andrés, and Carlos Goicoechea Carranza. Geotourism Potential of Underground Sites in Costa Rica. 2013.
Warning: These citations may not always be 100% accurate.