Tham khảo Tham Khoun Xe

  1. ↑ About Laos PDR, 2009. Truy cập 01/04/2018.
  2. 1 2 “Tham Khoun Xe Cave”. Amusingplanet. Truy cập 22 tháng 11 năm 2018. 
  3. ↑ State of water environmental issues. Laos PDR. Truy cập 01/04/2018.
  4. ↑ Jackie Mansky. Otherworldly Photos From Inside One of the World’s Largest River Caves. Smithsonian magazine, 5/02/2016. Truy cập 25/11/2018.
  5. ↑ Tham Khoun Xe Cave – The Biggest River Cave In Laos. Indochinacharm Laostravel. Truy cập 25/11/2018.
  6. 1 2 3 Jaskinia Tham Khoun Xe i wielka podziemna rzeka - ukryte skarby Laosu (pol.). Grupa Onet.pl SA, 03/04/2015. Truy cập 22/11/2018.
  7. 1 2 Becky Pemberton: Below the surface of Laos: Kayakers capture incredible rock formations and emerald green waters of immense cave system. Associated Newspapers Ltd, 02/04/2015. Truy cập 22/11/2018.
  8. ↑ Ferlus, Michel. 1996. Langues et peuples viet-muong. Mon-Khmer Studies 26. 7–28.
  9. ↑ The Info List - Vietic Languages. Theinfolist, 2017. Truy cập 25/11/2018.

Tài liệu tham khảo

WikiPedia: Tham Khoun Xe http://laostravel.indochinacharm.com/tham-khoun-xe... http://www.theinfolist.com/php/SummaryGet.php?Find... http://www.na.gov.la/appf17/about_laos.html http://www.wepa-db.net/policies/state/laos/river.h... //tools.wmflabs.org/geohack/geohack.php?language=v... //tools.wmflabs.org/geohack/geohack.php?language=v... https://www.amusingplanet.com/2015/07/tham-khoun-x... https://www.google.com/maps/@17.3693549,105.844862... https://www.smithsonianmag.com/travel/Explore-Laos... https://podroze.onet.pl/ciekawe/jaskinia-tham-khou...