Overview Sources:
http://www.foxnews.com/travel/2012/05/01/secret-is-out-about-nicaraguan-tourism/
http://visitnicaragua.us
http://data.worldbank.org/indicator/ST.INT.ARVL
Economic Sources:
http://www.wttc.org/-/media/files/reports/economic%20impact%20research/country%20reports/nicaragua2014.pdf
http://www.rainforest-alliance.org/sites/default/files/publication/pdf/Economic_Impact_Study_Granada_Nicaragua_1.pdf
Environmental Sources:
http://www.rainforest-alliance.org/publications/granada-tourism
http://www.wttc.org/-/media/files/reports/economic%20impact%20research/country%20reports/nicaragua2014.pdf
Keller, Peter, Thomas Bieger, and Otto Bammer. Real Estate and Destination Development in Tourism: Successful Strategies and Instruments. Berlin: Erich Schmidt, 2008. Print.
http://scholarworks.umass.edu/cgi/viewcontent.cgi?article=1105&context=theses
http://www.frommers.com/destinations/nicaragua/761799