Abdelkadir Belhadj Djilali, Elhadj Bounadja, Adil Yahdou, Habib Benbouhenni, Z. M. S. Elbarbary, Ilhami Colak, Saad F. Al-Gahtani. "Enhanced variable step sizes perturb and observe MPPT control to reduce energy loss in photovoltaic systems." Scientific Reports, 2025. doi:10.1038/s41598-025-95309-y