Khanantai, C., B. Thongthawee, and B. Chatreewatanakul. “The Critical Care Competency for COVID-19 Patients of Intensive Care Nurses in Bangkok Metropolitan Administration Hospitals”. Nursing Journal CMU, vol. 50, no. 2, June 2023, pp. 41-55, https://he02.tci-thaijo.org/index.php/cmunursing/article/view/262031.