김국 2016-02-25T09:28:58Z 2016-02-25T09:28:58Z 20110430 2011 54825 http://search.kca.go.kr/libtechupload/휴대전화_한글_문자판_표준화.pdf https://www.kca.go.kr/repo/handle/2015.oak/384 휴대전화_한글_문자판_표준화.pdf 김국 http://creativecommons.org/licenses/by-nc-nd/2.0/kr/ 휴대전화 한글 문자판 표준화 = Standardization of Korean Input Keypad of Mobile Phones- Analysis of Consumer Convenience in a View of Engineering Aspect -  논문