Tài liệu tham khảo WikiPedia: Hồ_Bogoria http://www.wondermondo.com/Countries/Af/Kenya/Rift... http://www.minorityrights.org/7682/trouble-in-para... http://whc.unesco.org/en/list/1060 //tools.wmflabs.org/geohack/geohack.php?language=v...