Purnama, D. A., P. C. Marifa, R. C. Shinta, and R. C. Shinta. “Unlocking Indonesia’s Maritime Potential: Optimizing Hub Port Development Using a Principal Component Analysis and K-Means Clustering”. Jurnal Sistem Teknik Industri, vol. 27, no. 1, Jan. 2025, pp. 35-46, doi:10.32734/jsti.v27i1.18606.