Khairunnisa Zakaria และ Montakarn Chuemchit. (2017) Knowledge, Attitude and Practice of Psychological First Aid among Health Professionals Working in Accident & Emergency Department in Brunei Darussalam. <i>Journal of Health Research</i>, <i>31</i>(suppl.1), s99.Khairunnisa Zakaria และ Montakarn Chuemchit. "Knowledge, Attitude and Practice of Psychological First Aid among Health Professionals Working in Accident & Emergency Department in Brunei Darussalam". Journal of Health Research 31 (2017):s99.Khairunnisa Zakaria และ Montakarn Chuemchit. Knowledge, Attitude and Practice of Psychological First Aid among Health Professionals Working in Accident & Emergency Department in Brunei Darussalam. Chulalongkorn University Press:ม.ป.ท. 2017.