Pothipairatana, Supparerk, and Chirasak Sararat. “Anti-Smoking Campaign in Brunei Darussalam, Malaysia, and Republic of Indonesia”. Social Science Asia 2, no. 4 (October 31, 2016): 10-15. Accessed October 20, 2021. https://socialscienceasia.nrct.go.th/index.php/SSAsia/article/view/43.