https://ramendb.supleks.jp/s/93222.html
https://tabelog.com/chiba/A1205/A120504/12039477/
https://www.facebook.com/kojimaru1981/
https://twitter.com/ra_men_kojimaru
https://ameblo.jp/ra-men-kojimaru/
https://www.instagram.com/ra_menkojimaru/
https://kojimaru.jimdo.com/
http://www.localplace.jp/t100181288/