Sasananan, Montalee, Khanothai Channarong, Sasikanda Kingnakhonthong, and Setta Sasananan. “Time Banking for Aging Society ธนาคารเวลาสำหรับสังคมสูงวัย”. Thai Industrial Engineering Network Journal 5, no. 2 (December 27, 2019): 1–11. Accessed May 5, 2024. https://ph02.tci-thaijo.org/index.php/ienj/article/view/223253.