ฉลาดคิด ด. Factors Affecting Levels of Digital Literacy on Smartphone Devices of the Elderly in Bang Khae District, Bangkok. JMHR [Internet]. 2020 Sep. 17 [cited 2024 May 17];4(1):91-100. Available from: https://so04.tci-thaijo.org/index.php/JMHR/article/view/244798