U. T. Kartini, L. E. C. Ningrum, and M. N. Adiwana, “Maximization Very Short-Term Forecasting of Power Photovoltaic System Using Machine Learning Based on Clearness Index Model”, Buletin Ilmiah Sarjana Teknik Elektro, vol. 8, no. 3, pp. 925–940, Jul. 2026.