Anggara, D., Kurnia, A., Notodiputro, K.A. and Indahwati, I. 2025. Boosting Mixed-Effects Models with SMOTE: Insights from Java’s Human Development Index. Statistics, Optimization & Information Computing. (Oct. 2025). DOI:https://doi.org/10.19139/soic-2310-5070-3011.