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Kumano, Michiko (2018-06-01). "On the Concept of Well-Being in Japan: Feeling Shiawase as Hedonic Well-Being and Feeling Ikigai as Eudaimonic Well-Being". Applied Research in Quality of Life. 13 (2): 419–433. doi:10.1007/s11482-017-9532-9. ISSN1871-2576. S2CID149162906.
Sone T.; Nakaya N.; Ohmori K.; Shimazu T.; Higashiguchi M.; Kakizaki M.; Kikuchi N.; Kuriyama S.; Tsuji I. (2008). "Sense of life worth living (ikigai) and mortality in Japan: Ohsaki Study". Psychosomatic Medicine. 70 (6): 709–15. doi:10.1097/PSY.0b013e31817e7e64. PMID18596247. S2CID10483513.
Kumano, Michiko (2018-06-01). "On the Concept of Well-Being in Japan: Feeling Shiawase as Hedonic Well-Being and Feeling Ikigai as Eudaimonic Well-Being". Applied Research in Quality of Life. 13 (2): 419–433. doi:10.1007/s11482-017-9532-9. ISSN1871-2576. S2CID149162906.