A Multi-Model Assessment of Copper(II)-Humic Acid Binding: Insights from Ion-Selective Electrode Data and a Critical Comparison of Discrete and Continuous Binding, and Computational Chemical Equilibrium MINTEQA Models: A Multi-Model Assessment of Copper(II)-Humic Acid Binding. Dhaka Univ. J. Sci. 2026;74(1):1-9. doi:10.3329/dujs.v74i1.86826