กฤติยาวรรณ สุจิตรา, and แซ่เตีย ยุพาวดี. 2019. “Foot Care Behavior of Diabetes Mellitus Patients of Nong Bo Community Hospital, Nong Bo Sub District, Mueang District, Ubonratchathani Province”. Journal of Ratchathani Innovative Health Sciences 2 (4). ๊Ubon Ratchathani, Thailand:44-58. https://he02.tci-thaijo.org/index.php/JRIHS/article/view/213312.