Ⅰ. 서 론
최근 경제사회의 빠른 속도의 변화와 현대 산업사회구조가 사람들에게 부의 축적을 추구하는 가운데 국민소득 증가에 따른 생활수준의 향상과 서구 문화의 영향 및 급속한 산업 발전으로 시간의 효율성 및, 간편성, 신속성, 영양성을 추구하여 밥을 주식으로 하던 식생활에서 빵을 주
1.) KAKAO is Korea software developing company and established from 2010 by KimBum Soo(Unknown, 2006). (Unknown, 2006)KAKAO connects everything. "New connect makes the better world" is main management idea. KAKAO was started messenger application since March, 2010. Recently, Korea’s mostly use (JANG, 2016)KAKAO TALK service 90% and 5 billion people download since May 2014. (Unknown, 2006
written by Sun Ji Kim in2011
“Study on effect of exercise on childhood’s growth hormone ”written by Su Mi Gwon in2008
“Physical characteristics of adolescents with Short stature and Effect on the growth of personal training” written by Yang Su Kim
“Dictionary of beautiful our body” written by Hyeon Seok Choi
“Understanding of Health sciences” written by Yang Ja Hong