แซ่เตียว จ, อินทร์หม้อ ส. Usage Behavior of Smart-Phone Applications for Middle Age Persons. RJPJ [Internet]. 2019 Feb. 13 [cited 2024 Apr. 25];11(23):43-52. Available from: https://so05.tci-thaijo.org/index.php/RJPJ/article/view/171870