sources
http://web.worldbank.org/WBSITE/EXTERNAL/TOPICS/EXTPOVERTY/EXTPA/0,,contentMDK:20204883~menuPK:435735~pagePK:148956~piPK:216618~theSitePK:430367~isCURL:Y~isCURL:Y,00.html
http://www.worldtravelguide.net/cambodia/weather-climate-geography
https://www.osac.gov/pages/contentreportdetails.aspx?cid=13883
http://worldrenew.net/cambodia
http://www.worldvision.org/our-impact/country-profiles/cambodia http://www.ruralpovertyportal.org/country/home/tags/cambodia
http://hdr.undp.org/en/countries/profiles/KHM
http://www.worldtravelguide.net/cambodia/weather-climate-geography
https://www.osac.gov/pages/contentreportdetails.aspx?cid=13883
http://worldrenew.net/cambodia
http://www.worldvision.org/our-impact/country-profiles/cambodia http://www.ruralpovertyportal.org/country/home/tags/cambodia
http://hdr.undp.org/en/countries/profiles/KHM