Alfarizi, M. A., and R. N. Syahada. “Optimization Of Employee Civil Servants Investigations In Handling Case Of Immigrated Criminal Acts: OPTIMALISASI KINERJA PENYIDIK PEGAWAI NEGERI SIPIL KEIMIGRASIAN DALAM MENANGANI KASUS TINDAK PIDANA KEIMIGRASIAN”. Journal of Law and Border Protection, vol. 1, no. 1, May 2019, pp. 113-27, doi:10.52617/jlbp.v1i1.161.