Kankang, Chakrit, Peechanika Chopjitt, Anusak Kerdsin, and Comhangpol ฺBenjawan. 2022. “Risk factors associated with colistin-resistant gram-negative bacteria infection in Roi Et Hospital”. UBRU Journal for Public Health Research 11 (2):66-78. https://he02.tci-thaijo.org/index.php/ubruphjou/article/view/254655.