1. Bases Conversion Development Authority. (2001). Annual report 2000.
2. Bases Conversion Development Authority. (2006a). About the BCDA. Retrieved March, 19, 2006, from http://www.bcda.gov.ph .
3. Bases Conversion Development Authority. (2006b). Annual report 2005.
4. Bell, C. (1991). Regional heterogeneity, migration, and shadow prices. Journal of Public Economics, 46(1), 1–27.
5. ESRI. (2007). Understanding different kriging models. Retrieved September 6, 2007, from http://webhelp.esri.com/arcgisdesktop/9.2/index.cfm?TopicName=Understanding_different_kriging_models .