Auscharaporn Chalermchit และ Pornwadee Ruksasri; Kotchanipa Wanichkittikul; Nava Masaunjik;Piyawan Yangkham. (2022) Valuable Living and Quality of Life for the Elderly in the 21st Century. <i>Interdisciplinary Academic and Research Journal</i>, <i>2</i>(4), 557-570.Auscharaporn Chalermchit และ Pornwadee Ruksasri; Kotchanipa Wanichkittikul; Nava Masaunjik;Piyawan Yangkham. "Valuable Living and Quality of Life for the Elderly in the 21st Century". Interdisciplinary Academic and Research Journal 2 (2022):557-570.Auscharaporn Chalermchit และ Pornwadee Ruksasri; Kotchanipa Wanichkittikul; Nava Masaunjik;Piyawan Yangkham. Valuable Living and Quality of Life for the Elderly in the 21st Century. DR.KEN Institute of Academic Development and Promotion.:ม.ป.ท. 2022.