ABDELAZIZ, Shokry; KHEIMI, Marwan; EIZELDIN, Mohamed A. H.; SAFI AHMED, Hassan. A Comparative Study of PCA and KPCA for Groundwater Quality Index Estimation. Civil Engineering Journal, [S. l.], v. 11, n. 11, p. 4453–4470, 2025. DOI: 10.28991/CEJ-2025-011-11-02. Disponível em: https://civilejournal.org/index.php/cej/article/view/5343. Acesso em: 31 jan. 2026.