Harutaithaworn, Ratchanok, Mukda Nuysri, and Warinee Iemsawasdikul. 2020. “Effects of a foot care program for risk foot ulcer of type 2 Diabetes Mellitus patients at Samrong Thap District, Surin Province”. Thai Journal of Nursing 69 (4):21-30. https://he02.tci-thaijo.org/index.php/TJN/article/view/244671.