Wijesinghe, Rajapakshage Prabodha Sriyal, Sariyamon Tiraphat, Seo Ah Hong Hong, and Jiraporn Chompikul. “ Sri Lanka”. Journal of Public Health and Development 13, no. 2 (October 12, 2015): 31–42. Accessed December 10, 2024. https://he01.tci-thaijo.org/index.php/AIHD-MU/article/view/37681.