W. Kristianto, W. Djafar, A. Sitti Chairunnisa, M. Idrus, A. H. Djalante, and R. Fitriah, “Study of Makassar City – Barrang Lompo Island Sea Transportation Tariffs During the Covid-19 Pandemic”, zonalaut, vol. 4, no. 2, pp. 61-66, Jul. 2023.