Punyasri, Piyada, Sarawut Thaotho, Anong Lordkaew, Krisada Nakphalad, and Pornchai Jedaman. 2021. “Strategies Development to Social Skills and Practices of Elderly on Health and Cultural Tourism in Learning Society”. Journal of Modern Learning Development 6 (5):84-99. https://so06.tci-thaijo.org/index.php/jomld/article/view/249528.