http://www.cambodia-travel.com/khmer/
http://www.ancient.eu/Khmer_Empire/
https://en.wikipedia.org/wiki/Jayavarman_II
http://www.britannica.com/biography/Jayavarman-II
https://en.wikipedia.org/wiki/Angkor_Wat
http://whc.unesco.org/en/list/668
http://www.britannica.com/biography/Suryavarman-II
"Oxford Big Ideas-Australian Curriculum" by: Maggy Saldais, Richard Smith, Tony Taylor, Carmel Young.
By Blake and Anthony