by 박교식, Park, Kyo Sik
Published in Suhak gyoyukak yeon-gu (Online) (2013)

by 김진환, 박교식, Kim, Jin Hwan, Park, Kyo Sik
Published in Suhak gyoyukak yeon-gu (Online) (31.08.2017)

by 박교식, 권석일, Park, Kyo-Sik, Kwon, Seo-Kil
Published in Suhak gyoyukak yeon-gu (Online) (31.08.2012)

by 박교식, 권석일, Park, Kyo-Sik, Kwon, Seok-Il
Published in Suhak gyoyukak yeon-gu (Online) (01.05.2012)

by 박교식
Published in 韓國學校數學會論文集 (31.03.2017)

by 박교식, Park, Kyo Sik
Published in 韓國學校數學會論文集 (30.06.2014)

by 박교식, Park, Kyo Sik
Published in 韓國學校數學會論文集 (30.03.2014)

by 이승은, 이정은, 박교식, Lee, Seung Eun, Lee, Jeong Eun, Park, Kyo Sik
Published in 韓國學校數學會論文集 (31.03.2018)

by 박교식, Park, Kyo-Sik
Published in 韓國學校數學會論文集 (30.03.2012)

by 박교식, Park, Kyo-Sik
Published in 韓國學校數學會論文集 (2011)

by 이승은, 최경아, 박교식, Lee, Seung, Choi, Kyoung A, Park, Kyo Sik
Published in 韓國學校數學會論文集 (2015)

by 최종현, 최경아, 박교식
Published in 韓國學校數學會論文集 (31.12.2014)

by 김진환, 박교식, Kim, Jin-Hwan, Park, Kyo-Sik
Published in 韓國學校數學會論文集 (30.03.2006)

by Woo, Jeong-Ho, Ed, Lew, Hee-Chan, Ed, Park, Kyo-Sik Park, Ed, Seo, Dong-Yeop, Ed
Published in International Group for the Psychology of Mathematics Education (2007)

by Woo, Jeong-Ho, Ed, Lew, Hee-Chan, Ed, Park, Kyo-Sik Park, Ed, Seo, Dong-Yeop, Ed
Published in International Group for the Psychology of Mathematics Education (2007)

by Woo, Jeong-Ho, Ed, Lew, Hee-Chan, Ed, Park, Kyo-Sik Park, Ed, Seo, Dong-Yeop, Ed
Published in International Group for the Psychology of Mathematics Education (2007)

by Woo, Jeong-Ho, Ed, Lew, Hee-Chan, Ed, Park, Kyo-Sik, Ed, Seo, Dong-Yeop, Ed
Published in International Group for the Psychology of Mathematics Education (2007)