Rojsuriyawong, S. “Factors Affecting Dengue Hemorrhagic Fever Control and Prevention of Public Health Workers in Amphoe Bang Sai District Health Office, Changwat Phra Nakhon Si Ayutthaya”. Journal of Health Science of Thailand, vol. 17, no. Sup.2, Nov. 2018, pp. SII529-539, https://thaidj.org/index.php/JHS/article/view/2766.