Lapsomboondee, A., Sukpaiboonwat, S. . and ratniyom, A. . (2020) “A Comparative Study of Long Term Care for Elderly in Germany, Japan, Singapore and Thailand”, Journal of Business, Innovation and Sustainability (JBIS), 15(1), pp. 74–86. available at: https://so02.tci-thaijo.org/index.php/BECJournal/article/view/196036 (accessed: 14 March 2025).