[1]
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. and Foziah, N.H.M. 2025. Verifying and Weighting Factors using Fuzzy Delphi Method Approach in The Construction of Public Perception Index (PPI) on River Quality. Contemporary Mathematics . 6, 4 (Jun. 2025), 3862–3872. DOI:https://doi.org/10.37256/cm.6420255842.