“Healthcare and Related Factors of the Elderly Living Alone in Bantad, Mueang District, Udonthani Province” (2020) APHEIT Journal of Nursing and Health, 2(2), pp. 41–52. Available at: https://rsujournals.rsu.ac.th/index.php/ajnh/article/view/1601 (Accessed: 20 October 2026).