Herdiana, Indra, Mokhamad Alfin Kamal, Triyani Triyani, Mutia Nur Estri, and Renny Renny. 2026. “A More Precise Elbow Method For Optimum K-Means Clustering”. Journal of the Indonesian Mathematical Society 32 (3):1862. https://doi.org/10.22342/jims.v32i3.1862.