Ghazali PL, Suib AF, Fauzi SNM, Zain ENM, Razak RA, Ariffin J, Noor NSM, Nawi FAM, Foziah NHM. Verifying and Weighting Factors using Fuzzy Delphi Method Approach in The Construction of Public Perception Index (PPI) on River Quality. Contemp. Math. [Internet]. 2025 Jun. 27 [cited 2025 Jul. 12];6(4):3862-7. Available from: https://ojs.wiserpub.com/index.php/CM/article/view/5842