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http://dirp4.pids.gov.ph/ris/ris/wbi/Country%20Report_Philippines.PDF
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http://www.philstar.com:8080/cebu-news/291728/water-crisis-cebu-part-i
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http://cebudailynews.inquirer.net/56501/cebu-is-high-risk-area-for-el-nino-acosta
4. Climate Prediction Center (2016) Cold & warm episodes by season. Retrieved 14 Oct 2017.
http://origin.cpc.ncep.noaa.gov/products/analysis_monitoring/ensostuff/ONI_v5.php
5. Department of Interior and Local Government (2016) LGUs can tap calamity funds, other available funds to combat El Nino.
http://www.dilg.gov.ph/news/LGUs-can-tap-calamity-funds-other-available-funds-to-combat-El-Nino-DILG/NC-2016-1057