Sinar Siregar, Syarifur Ridho, and Dina Rispianti. “The Indonesian National Single Window (INSW) System On Import Goods Handling Of Mt. Asia Aspara By Pt. Samudra Shipping Agency Dumai”. Jurnal Publikasi Ilmu Manajemen 3, no. 4 (December 7, 2024): 95–100. Accessed April 17, 2025. https://ejurnal.politeknikpratama.ac.id/index.php/jupiman/article/view/4606.