Budilaksono, A. “ANALYSIS CUSTOMS MARITIME SURVEILLANCE SYSTEM BASED ON MOVEMENT PHENOMENON AND CHARACTERISTIC OF NARCOTICS, PRECURSORS AND PSYCHOTROPICS (NPP) SMUGGLINGS”. JURNAL PERSPEKTIF BEA DAN CUKAI, vol. 4, no. 1, July 2020, doi:10.31092/jpbc.v4i1.772.