Premwadee Karuhadej และผู้แต่งคนอื่นๆ. (2018) Relationship between happiness, personal factors, self-esteem and lifestyles in the retired elderly. <i>Chulalongkorn Medical Journal</i>, <i>62</i>(5), 815-830.Premwadee Karuhadej และผู้แต่งคนอื่นๆ. "Relationship between happiness, personal factors, self-esteem and lifestyles in the retired elderly". Chulalongkorn Medical Journal 62 (2018):815-830.Premwadee Karuhadej และผู้แต่งคนอื่นๆ. Relationship between happiness, personal factors, self-esteem and lifestyles in the retired elderly. Faculty of Medicine Chulalongkorn University:ม.ป.ท. 2018.