KOYAMA Hiroshi, IKEDA Eiji, SUZUKI Kazuhiro. Development and Verification of a Long-distance Running Unit Intended to Develop Technological and Mental Self-control Skills. 2023. 17. 1. 85-91
Hiroshi KOYAMA, Eiji IKEDA. A Study on Self-Control Ability of Junior High Students. Jounal of Health Promotional Sciences. 2022. 16. 1. 173-179
Hiroshi KOYAMA. Study on Changes of Ability for Self-Control in the Junior High Student Befor and After the COVID-19 Pandemic. Jounal of Health Promotional Science. 2021. 15. 1. 177-183
HIROSHI Koyama. Consideration for Approches to Student Guidance in School Education. 2019. 13. 1. 11-20
2017/04 - 2023/03 Tokoha University Faculty of Health Promotional Sciences Department of Integrated Studies of Human Development and Clinical Psychology
THE JAPANESE ASSOCIATION OF HANDBALL RESEARCH
, THE JAPANESE ASSOCIATION OF SCHOOL HEALTH
, JAPAN SOCIETY OF HUMAN GROWTH AND DEVELOPMENT
, JAPAN SOCIETY OF PHYSICAL EDUCATION, HEALTH AND SPORT SCIENCES