Scores on Morningness-Eveningness and Sleep Habits of Korean Students, Japanese Students, and Japanese Workers 論文 Young Man Park・Yoo Jin Seo・Kazuya Matsumoto・Harumi Shinkoda・KWANG PAK PARK ·1997-08-01 ·『Perceptual and Motor Skills』 85(1) pp. 143-154 doi:10.2466/pms.1997.85.1.143