by Yim, Tae-Bin, Jeon, Gyu-Ri, Lee, Hye-Jin, Lee, Kyeong-Hwa, Heo, Hye-Min, Lee, Han-Gyul, Kwon, Seungwon, Cho, Seung-Yeon, Park, Seong-Uk, Jung, Woo-Sang, Moon, Sang-Kwan, Ko, Chang-Nam, Park, Jung-Mi
Published in Heliyon (15.01.2024)

by Lee, Kyeong-Hwa, Lee, Han-Gyul, Kwon, Seungwon, Park, Seong-Uk, Jung, Woo-Sang, Moon, Sang-Kwan, Park, Jung-Mi, Ko, Chang-Nam, Cho, Seung-Yeon
Published in BMC complementary and alternative medicine (23.10.2023)

by Lee, Kyeong-Hwa, Song, Chang-Geun, Jung, Hye-Yun
Published in Mathematics (Basel) (01.11.2020)

by 노정원, 이경화
Published in Suhak gyoyukak yeon-gu (Online) (30.11.2021)

by 이경화, 이은정, 박민선, 박미미
Published in Suhak gyoyukak yeon-gu (Online) (31.05.2022)

by 문성재, 노정원, 이경화
Published in Suhak gyoyukak yeon-gu (Online) (30.11.2021)

by Lee, Kyeong-Hwa
Published in ZDM (01.12.2017)

by 정혜윤, 이경화
Published in Suhak gyoyukak yeon-gu (Online) (31.05.2019)

by Hye-Yun, Jung, Kyeong-Hwa, Lee
Published in The Journal of creative behavior (01.09.2023)

by 정혜윤, 이경화
Published in Suhak gyoyukak yeon-gu (Online) (28.02.2019)

by Lee, Kyeong-Hwa, Kim, Yeongjun, Lim, Woong
Published in Mathematical thinking and learning (02.10.2021)

by 정혜윤, 이경화
Published in Suhak gyoyukak yeon-gu (Online) (31.05.2018)

by 백도현, 이경화
Published in Suhak gyoyukak yeon-gu (Online) (31.05.2018)

by 이경화, Lee, Kyeong-Hwa
Published in Suhak gyoyukak yeon-gu (Online) (31.05.2016)

by 임웅, 이경화
Published in Suhak gyoyukak yeon-gu (Online) (28.02.2018)

by 이경화, Lee, Kyeong-Hwa
Published in Suhak gyoyukak yeon-gu (Online) (29.02.2016)

by 이경화
Published in 문학과 종교, 27(2) (30.06.2022)

by 탁병주, 이경화, Tak, Byungjoo, Lee, Kyeong-Hwa
Published in Suhak gyoyukak yeon-gu (Online) (31.05.2017)

by Moon, Sung-Jae, Lee, Kyeong-Hwa
Published in Educational studies in mathematics (01.06.2020)

by 정혜윤, 이경화, Jung, Hye Yu, Lee, Kyeong-Hwa
Published in Suhak gyoyukak yeon-gu (Online) (30.11.2017)