บูรณกลัศ วัลภา. “CORRELATION BETWEEN SELF-CARE BEHAVIORS, FAMILY RELATIONSHIP, AND HAPPINESS OF THE ELDERLY AT THE COMMUNITY SAIMAI DESTRICT”. JOURNAL OF THE POLICE NURSES AND HEALTH SCIENCE 9, no. 2 (December 31, 2017): 24–32. accessed September 14, 2026. https://he01.tci-thaijo.org/index.php/policenurse/article/view/107952.