IZHARSYAH, J. R. .; SALEH, A. .; ADHANI, A. .; MAHARDIKA, A. . Implementation and Challenges : "Digital Payment System Port Transportation in Developed Countries in Southeast Asia’’. KnE Social Sciences, [S. l.], v. 8, n. 5, p. 66–80, 2023. DOI: 10.18502/kss.v8i5.12989. Disponível em: https://knepublishing.com/index.php/KnE-Social/article/view/12989. Acesso em: 13 may. 2025.