แหล่งที่มา WikiPedia: แยกปทุมวัน http://maps.google.com/maps?ll=13.746164,100.53075... http://www.multimap.com/map/browse.cgi?lat=13.7461... http://www.terraserver.com/imagery/image_gx.asp?cp... http://www.globalguide.org?lat=13.746164&long=100.... http://www.wikimapia.org/maps?ll=13.746164,100.530... //tools.wmflabs.org/geohack/geohack.php?pagename=%... http://www2.manager.co.th/Home/ViewNews.aspx?NewsI... https://news.mthai.com/politics-news/301175.html https://www.matichon.co.th/news-monitor/news_61851...
