Izharsyah, J. R. ., Saleh, A. ., Adhani, A. ., & Mahardika, A. . (2023). Implementation and Challenges : "Digital Payment System Port Transportation in Developed Countries in Southeast Asia’’. KnE Social Sciences, 8(5), 66–80. https://doi.org/10.18502/kss.v8i5.12989