N. . Thawaphakwaen, W. . Phetto, A. . Phakdenarin, T. . Jongmeesuk, and S. . Wichairam, “Satisfaction with the service of the elderly pension Samrong Subdistrict Administrative Organization Phlapphlachai District Buriram Province”, IARJ, vol. 1, no. 5, pp. 47–58, Oct. 2021.