Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) "小橋川, 久光 and 小林, 稔 and 宮城, 政也 and Kobashigawa, Hisamitsu and Kobayashi, Minoru and Miyagi, Masaya",The Application of the Inverted U-Shaped Curve to the Sports Flow (Hypothetical Model),琉球大学教育学部紀要,1345-3319,琉球大学教育学部,2003-09,,63,101-106,https://cir.nii.ac.jp/crid/1050011251826958848,