Nava Masaunjik และผู้แต่งคนอื่นๆ. (2023) Effects of Quality of Life on the Sustainable Development of the Elderly in the 21st Century. <i>Journal of Humanities and Social Sciences Mahasarakham University</i>, <i>42</i>(3), no. 410-422.Nava Masaunjik และผู้แต่งคนอื่นๆ. "Effects of Quality of Life on the Sustainable Development of the Elderly in the 21st Century". Journal of Humanities and Social Sciences Mahasarakham University 42 (2023):no. 410-422.Nava Masaunjik และผู้แต่งคนอื่นๆ. Effects of Quality of Life on the Sustainable Development of the Elderly in the 21st Century. Mahasarakham University:ม.ป.ท. 2023.