Maulana, Cahyo Baskoro Indra. “Law Enforcement Policy on Violation of Illegal Cigarette Circulation in Indonesia (Study on Indonesian Customs Directorate General)”. Journal of Indonesian Legal Studies 4, no. 1 (May 6, 2019): 103-118. Accessed May 20, 2024. https://journal.unnes.ac.id/sju/jils/article/view/29176.