Nawasanan Wongprasit. (2021). The Model of Holistic Development of the Elderly’s Quality of Life through Sustainable Participation Process: A Case Study of Tha Takiab District, Chacheongsao Province, Thailand . Turkish Journal of Computer and Mathematics Education (TURCOMAT), 12(8), 2930–2942. Retrieved from https://turcomat.org/index.php/turkbilmat/article/view/4119