H. Hairani, Muhamad Masjun Efendi, Gede Yogi Pratama, Rahayun Amrullah Husaini, and M.Khaerul Ihsan, “Enhancing Software Defect Prediction Performance using NR-Clustering SMOTE to Address Class Imbalance”, J. RESTI (Rekayasa Sist. Teknol. Inf.) , vol. 10, no. 4, pp. 1125–1132, Aug. 2026, doi: 10.29207/resti.v10i7558.