Vernanda, Doniar Andre, and Tony Mirwanto. 2020. “Optimizing The Role of Immigration Civil Servant Investigator in Treating Criminal Actions of People Smuggling: OPTIMALISASI PERAN PENYIDIK PEGAWAI NEGERI SIPIL KEIMIGRASIAN DALAM PENANGGULANGAN TINDAK PIDANA PENYELUNDUPAN MANUSIA”. Journal of Law and Border Protection 2 (1):35-45. https://doi.org/10.52617/jlbp.v2i1.189.