Faturachman D, Sulaeman KA. Analysis of Sea Border Crossing Transportation Between Three Countries in Sumatera Island, Case Study: Tanjung Balai Karimun Port – Harbour Front Port, Singapore and Tanjung Balai Karimun Port – Kukup and Puteri Ports, Malaysia. ijaers. 2021;8(5). Accessed July 22, 2024. https://journal-repository.com/index.php/ijaers/article/view/3577