Sofyan, Sofyan, et al. “Grey Wolf Optimizer-Neural Network Model for Indonesia Electricity Demand Prediction: Multi-Scenario Analysis and Performance Evaluation 2026-2034”. Protek : Jurnal Ilmiah Teknik Elektro, vol. 12, no. 3, Sept. 2025, pp. 156-73, doi:10.33387/protk.v12i3.10398.