Novianti, Bella, and Irwansyah Irwansyah. “Fiqh Siyasah Review of River Transportation Services License in PERBUP No 4 of 2014 Regarding Sea and River Transport Business Licensing”. Indonesian Interdisciplinary Journal of Sharia Economics (IIJSE) 6, no. 3 (August 28, 2023): 2538-2554. Accessed April 29, 2026. https://e-journal.uac.ac.id/index.php/iijse/article/view/3925.