SITUMORANG, H. C.; INDARTONO, Y. S. Techno-Economic Assessment of a 400 MWp Floating Photovoltaic System Integrated with Pumped Hydro Energy Storage (PHES) on Lake Toba. ITB Graduate School Conference, [S. l.], v. 5, n. 1, 2025. Disponível em: https://gcs.itb.ac.id/proceeding-igsc/index.php/igsc/article/view/718. Acesso em: 20 aug. 2026.