Setiawan, Ariyono, et al. “Multivariate Risk Analysis of Echotoxic Chemicals of Ballast Water Chemicals Based on PCA and DSS Using ECOTOX GISIS Data”. Maritime Park: Journal of Maritime Technology and Society, vol. 4, no. 3, Oct. 2025, pp. 139-52, doi:10.62012/mp.vi.44925.