Fischer, Stephen Roger (4 April 2004). A History of Writing. Globalities. London: Reaktion Books. pp. 189–194. ISBN1-86189-101-6. Retrieved 3 April 2009.
Kim, Mihyang (10 January 2018). "[단독] 교육부, 초등교과서 한자 병기 정책 폐기" [Exclusive: Ministry of Education drops the planned policy to allow Hanja in elementary school textbooks]. Hankyoreh (in Korean). Retrieved 15 October 2020.