About the Authors

Young Rock Kim

Contributed equally to this work with: Young Rock Kim, Youngho Min, Joy Nana Okogun-Odompley

Roles Conceptualization, Formal analysis, Funding acquisition, Investigation, Methodology, Project administration, Resources, Supervision, Writing – review & editing

Affiliation Major in Mathematics Education, Graduate School of Education, Hankuk University of Foreign Studies, Seoul, Republic of Korea

Youngho Min

Contributed equally to this work with: Young Rock Kim, Youngho Min, Joy Nana Okogun-Odompley

Roles Data curation, Formal analysis, Investigation, Methodology, Software, Validation, Visualization, Writing – original draft, Writing – review & editing

mathmyh@khu.ac.kr

Affiliation Major in Mathematics Education, Graduate School of Education, Hankuk University of Foreign Studies, Seoul, Republic of Korea

Joy Nana Okogun-Odompley

Contributed equally to this work with: Young Rock Kim, Youngho Min, Joy Nana Okogun-Odompley

Roles Conceptualization, Data curation, Formal analysis, Investigation, Methodology, Writing – original draft

Affiliation Department of Mathematics, Hankuk University of Foreign Studies, Yongin, Republic of Korea

Competing Interests

The authors have declared that no competing interests exist.