O. Thonglholerd, P. Khanthahat, and T. Yeunyong, “DEVELOPMENT OF ELDERLY CARE AND ELDERLY WELFARE AFFECTING THE LIFE QUALITY OF THE ELDERLY IN UTHAI THANI PROVINCE”, ว.สังคมพัฒนศาสตร์, vol. 8, no. 11, pp. 77–89, Nov. 2025.