1. Statistics Korea. Population projection for Korea: 2003-2017 [Internet]. Daejeon: Statistics Korea;2017. [cited 2017 May 8]. Available from:. http://kosis.kr/statHtml/statHtml.do?orgId=354&tblId=DT_MIRE01&vw_cd=MT_ZTITLE&list_id=354_MT_DTITLE&seqNo=&lang_mode=ko&language=kor&obj_var_id=&itm_id=&conn_path=E1.
2. Kim MY. Study on problems and improvement of the longterm care insurance. Legislation and Policies. 2011; 5(2):33–67.
3. Lee JN, Kim MW. A study on the inmate's life satisfaction in elderly care facilities and its impact factors. The Journal of Korean Policy Studies. 2011; 11(2):245–263.
4. Song YJ, Lee KM, Kim KB. Influence of group art therapy using molding on cognitive functions and depression of the elderly with dementia. Journal of Arts Psychotherapy. 2012; 8(3):23–45.
5. Kim YO. The request investigation for development of senior citizen's depression reduce program by art therapy. Korean Care Management Research. 2014; 12:147–170.
6. Yoo JY, Im BH. A case study of major disease distributions and patients of depression of the elderly inpatients of geriatric hospital. Korean Association of Health and Medical Sociology. 2007; 21:117–135.
7. Kang SJ. An influential analysis in service quality of the longterm care facilities upon depression -Mediating effect of self-efficacy-. Korean Academy of Social Work Practice and Re-earch. 2016; 8(1):152–174.
8. Kim YK, Choi WS. The effects of art therapy using Korean painting materials on the elderly depression and self-expression. Korean Journal of Art Therapy. 2008; 15(1):129–148.
9. Jung SY, Kim YC, Kim HS. Effects of art therapy on visual self-expression, verbal self-expression and picture card recall of the aged with dementia. Korean Journal of Art Therapy. 2011; 18(3):748–764.
10. Kim JO, Park JY. The effect of ceramic activities on elderly depression and life satisfaction. Journal of Korean Home Management Association. 2007; 25(6):95–109.
11. Hons KA. The unstructured use of clay in art therapy with older adults. Journal of Canadian Art Therapy Association. 2013; 26(1):1–12. https://doi.org/10.1080/08322473.2013.11415574.
12. Elkis-Abuhoff DL, Goldblatt RB, Gaydos M, Corrato S. Effects of clay manipulation on somatic dysfunction and emotional distress in patients with Parkinson's disease. The Journal of the American Art Therapy Association. 2008; 25(3):122–128. https://doi.org/10.1080/07421656.2008.10129596.
Article
13. Jeong EJ. A case study on effectiveness of the group art therapy using clay on depression and anxiety for the women victims of domestic violence. Korean Journal of Art Therapy. 2011; 18(2):325–345.
14. Chung JS, Lee JH. The effect of art therapy action using clay on the self-expression ability of adolescents with mental retardation. Korean Journal of Special Education. 2005; 40(3):85–110.
15. Greenwood H, Leach C, Lucock M, Noble R. The process of long-term art therapy: A case study combining artwork and clinical outcome. Psychotherapy Research. 2007; 17(5):588–599. https://doi.org/10.1080/10503300701227550.
Article
16. Jeong DH. The study on the healing effects and techniques of ceramic art therapy. Korean Journal of Art Therapy. 2001; 1(1):2–32.
17. Seo YH. A study on the art therapy program for improving elderly self-esteem. Korean Journal of 21 Century Society Welfare. 2008; 5(1):117–136.
18. Mohaupt-Luksh V. Die wirkung kunsttherapeutischer mass-nahmen. GanB M, Linde M, editors. Kunsttherapie mit de-menzkranken menschen. Frankfurt am main: Mabuse-Verlag;2004. p. 82–91.
19. Han MS, Kim HS, Lee YW, Kim SH. The effects of stimuli and swallowing promoting exercise to swallowing function of stroke elderly in a long term care facility. Journal of Korean Gerontological Nursing Society. 2013; 15(3):298–308.
20. Rakos RF, Schroeder HE. Self-directed assertiveness training. New York: Bio Monitoring Application (BMA) Press;1980. p. 56.
21. Byeun CJ, Kim SH. Assertiveness training program. Students Guiding Research. 1980; 13(1):51–85.
22. Song SW. The effects of self-assertiveness training program on college student's depression, interpersonal relationships and self-assertiveness. The Korea Journal of Youth Counseling. 2008; 16(1):103–117.
23. Sheikh JI, Yesavage JA. Geriatric depression scale (GDS): Recent evidence and development of a shorter version. Clinical gerontology: A guide to assessment and intervention. New York: Haworth Press;1986. p. 532.
24. Kee BS. A preliminary study for the standardization of geriatric depression scale short form-Korea version. Journal of the Korean Neuropsychiatric Association. 1996; 35(2):298–307.
25. Park MJ, Park K. The effects of group art therapy focused on clay to alexithymia patients with alcohol dependence. Journal of Psychotherapy. 2010; 10(2):63–79.
26. Jang HK, Choi WS. The effects of group art therapy on communication and depression in the elderly patients. Korean Journal of Art Therapy. 2005; 12(3):681–701.
27. Na SG, Jeon YS. Effects of self-encouragement group art therapy on self-expression and personal relations of old persons. Korean Journal of Art Therapy. 2017; 24(1):249–271.
28. Son DS. A study on the ecological factors of the mental health of the elderly: Focused on the depression and psychological well-being [dissertation]. [Yongin]: Kangnam Universtiy;2004. p. 137.
29. Park SM. Meta-analysis of the intervention for caring depression of the elderly in the four countries: A comparison of the total effectiveness, short-term effectiveness, and long-term effectiveness. Journal of the Korean Gerontological Society. 2011; 31(3):553–571.
30. Harris T, Cook DG, Victor C, Rink E, Mann AH, Shah S, et al. Predictors of depressive symptoms in older people-a survey of two general practice populations. Age and Ageing. 2003; 32(5):510–518. https://doi.org/10.1093/ageing/afg087.
Article