Tài liệu tham khảo

WikiPedia: Changjeon-dong http://www.encyber.com/search_w/ctdetail.php?maste... http://www2.guro.go.kr/site/gu/page.jsp?code=guf04... http://www.mapo.go.kr/Design/dong_cms/changjon/htm... http://www.mapo.go.kr/Design/dong_cms/changjon/htm... http://www.mapo.go.kr/Design/html_cms/e_ward/03_of... http://www.mapo.go.kr/Design/html_cms/e_ward/04_ma... http://english.mapo.seoul.kr/ http://english.mapo.seoul.kr/sub_01/sub_08_01_01.h... //tools.wmflabs.org/geohack/geohack.php?language=v... https://web.archive.org/web/20040922235639/http://...