Tài liệu tham khảo WikiPedia: Douma,_Syria http://news.nationalpost.com/2012/06/29/young-chil... http://tvnz.co.nz/world-news/syria-s-douma-wants-i... http://www.cbssyr.org/new%20web%20site/General_cen... https://www.nytimes.com/2012/10/18/world/middleeas... https://www.usatoday.com/news/world/story/2011-12-... https://web.archive.org/web/20131029220004/http://... https://web.archive.org/web/20191209094852/http://...
