[3] C. Hall. Costa rica: Una interpretación geográfica con perspectiva histórica. Editorial Costa Rica 1983.
[4] M. Edelman. Extensive land use and the logic of the latifundio: A case study in guanacaste province, costa rica. Hum. Ecol. 13(2), pp. 153-185. 1985.
[5] M. C. Cruz, C. A. Meyer, R. Repetto and R. Woodward. Population growth poverty and environmental stress: Frontier migration in the philippines and costa rica. 1992. [6] J. Calvo-Alvarado, B. McLennan, A. Sánchez-Azofeifa and T. Garvin. Deforestation and forest restoration in guanacaste, costa rica: Putting conservation policies in context. For. Ecol. Manage. 258(6), pp. 931-940. 2009.
[7] D. Kaimowitz. Livestock and Deforestation in Central America in the 1980s and 1990s: A Policy Perspective 1995.
[8] D. H. Janzen. Costa Rican Natural History.1983.
[9] J. C. Calvo. The costa rican national conservation strategy for sustainable development: Exploring the possibilities. Environ. Conserv. 17(04), pp. 355-358. 1990.
[10] J. P. Arroyo‐Mora, G. A. Sánchez‐Azofeifa, M. E. Kalacska, B. Rivard, J. C. Calvo‐Alvarado and D. H. Janzen. Secondary forest detection in a neotropical dry forest landscape using landsat 7 ETM and IKONOS Imagery1. Biotropica 37(4), pp. 497-507. 2005.
[11] S. A. Sader and A. T. Joyce. Deforestation rates and trends in costa rica, 1940 to 1983. Biotropica pp. 11-19. 1988.