Kurniawan, Adi, and Agus Fredy Maradona. “The Effectiveness, User Perceptions and Innovation in Implementing the Customs Service System at International Airports: Efektivitas, Persepsi Pengguna Dan Inovasi Dalam Penerapan Sistem Layanan Kepabeanan Di Bandara Internasional”. Indonesian Journal of Innovation Studies 26, no. 2 (April 22, 2025): 10.21070/ijins.v26i2.1391. Accessed May 31, 2025. https://ijins.umsida.ac.id/index.php/ijins/article/view/1391.