박창범, 라대일, "단군조선시대 천문현상기록의 과학적 검증 (Scientific proof of astronomical record in Gojoseon), 한국상고사학보, vol 14[1]Archived 2012-09-08 at archive.today
empas.com
kdaq.empas.com
Hwandan Gogi explained that the era name of Mun-wang of Balhae was Daeheung (대흥, 大興) before the era name of Mun-wang was discovered in the tombstone of Princess Jeonghyo (정효공주묘비, 貞孝公主墓碑) in 1980 - Retrieved from Empas Korean Information [2] 엠파스 한국학 지식
Hwandan Gogi explains why the Mausoleum of Dangun is in Kangdong near Pyongyang, North Korea - 고준환, "단군신화설은 식민사학자들의 왜곡.농간", (경기대 법학과 교수), 개천절에 되새겨 보는 '실증적' 단군조선사, 오마이뉴스, 2003-10-03 13:15 조인성(경희대 사학과 교수). It states that the fifth Dangun Gueul died while travelling the south area of Gojoseon, and then he has been buried at Daebaksan. The Daebaksan is located at current Pyongyang.
sanggo.or.kr
박창범, 라대일, "단군조선시대 천문현상기록의 과학적 검증 (Scientific proof of astronomical record in Gojoseon), 한국상고사학보, vol 14[1]Archived 2012-09-08 at archive.today
