เกตุจันทร์ อ., สลุงอยู่ ณ., and มรรคา ส. “Research Report of the Impacts of the Line Application Utilization on Elderly Lifestyle in Bangpakong Sub-District, Chachoengsao Province”. Rajapark Journal, vol. 12, no. 25, May 2018, pp. 52-65, https://so05.tci-thaijo.org/index.php/RJPJ/article/view/121375.