GHAZALI, P. L. .; SUIB, A. F. .; FAUZI, S. N. M. .; ZAIN, E. N. M. .; RAZAK, R. A. .; ARIFFIN, J. .; NOOR, N. S. M. .; NAWI, F. A. M. .; FOZIAH, N. H. M. . Verifying and Weighting Factors using Fuzzy Delphi Method Approach in The Construction of Public Perception Index (PPI) on River Quality. Contemporary Mathematics , [S. l.], v. 6, n. 4, p. 3862–3872, 2025. DOI: 10.37256/cm.6420255842. Disponível em: https://ojs.wiserpub.com/index.php/CM/article/view/5842. Acesso em: 12 jul. 2025.