Tài liệu tham khảo WikiPedia: Khashaat http://neo.sci.gsfc.nasa.gov/dataset_index.php http://neo.sci.gsfc.nasa.gov/view.php?datasetId=TR... http://khashaat.ar.gov.mn/ http://www.toollogo2010.mn/doc/sum,duurgeer.pdf http://www.touristinfocenter.mn/en/cate1_more.aspx... //tools.wmflabs.org/geohack/geohack.php?language=v... http://www.legendtour.ru/rus/mongolia/regions/arkh... https://web.archive.org/web/20141103004736/http://...
