Examination of University Students' Subjective Fatigue Symptos and RPE during Training sessions. Kansai Gaidai Educational Research and Report. 2002. No.2pp.49-pp58
Shirai Yoshimasa, Matsuura Yoshimasa, Tsubouchi Shinji, Sagara Hiroaki, Shimizu Norinaga. An Effectual Method of Bio-Feedback of EEG for Use in Mental Management. Journal of Inquiry and Research. 1999. 69. 69. 391-402