Situmorang, H. C., & Indartono, Y. S. (2025). Techno-Economic Assessment of a 400 MWp Floating Photovoltaic System Integrated with Pumped Hydro Energy Storage (PHES) on Lake Toba. ITB Graduate School Conference, 5(1). Retrieved from https://gcs.itb.ac.id/proceeding-igsc/index.php/igsc/article/view/718