Widia Aprilia, Rudy Sutanto, Lukman Yudho Prakoso, P. Priyanto, and Agus Adriyanto, “THE EFFORTS OF THE MARITIME SECURITY AGENCY IN PREVENTING TRANSNATIONAL CRIME AT THE STATE FRONTIER ARE VIEWED FROM THE STRATEGIC POSITION OF THE RIAU ISLANDS”, IJSS, vol. 2, no. 5, pp. 2253–2260, Feb. 2023.