Tài liệu tham khảo WikiPedia: Lingayen http://www.worldweatheronline.com/Lingayen-weather... //tools.wmflabs.org/geohack/geohack.php?language=v... http://www.census.gov.ph/census2000/index.html http://www.census.gov.ph/data/census2007/index.htm... http://www.census.gov.ph/data/pressrelease/2008/pr... http://www.lingayen.gov.ph http://www.nscb.gov.ph/activestats/psgc/default.as...
