Weerametachai, Saran. 2022. “Prevalence and Factor Associated With Stress, Depression and Burn Out Among Healthcare Workers During 3rd Wave COVID 2019 Pandemic in Saraburi Hospital”. Journal of Preventive Medicine Association of Thailand 12 (1):65-81. https://he01.tci-thaijo.org/index.php/JPMAT/article/view/251179.