Kaewsuay, Oraphan, Kusuma Khuwatsamrit, and Suporn Wongvatunyu. 2017. “The Study of Validity and Reliability of the the FOUR Score in Critical Care Nurses”. Nursing Research and Innovation Journal 23 (3):298-313. https://he02.tci-thaijo.org/index.php/RNJ/article/view/86213.