Ryall, Julian. "Big trouble in Little Korea: spiral of race hate grips Tokyo." (print title: "Big trouble in Little Korea") South China Morning Post. Wednesday 3 July 2013. Retrieved on 5 July 2013. "Shin-Okubo began attracting the Korean community about 30 years ago, says Shin Sang-yoon, a director of the chamber of commerce, simply because it was then one of the cheapest areas of Tokyo. It is a similar story in the Tsuruhashi area of Osaka,[...]"