Shin, Kyu-Ok; Yeom, Na-Gyeong; Park, Hang-sik - In: Journal of Open Innovation: Technology, Market, and … 5 (2019) 4, pp. 1-13
, which is a good way to raise the happiness index of the elderly. However, there is a lack of esthetics education or … innovation through esthetics education to increase the happiness index of the elderly. As a research method, a self … elderly in the future will contribute to enhancing the happiness index of elderly Korean people. …