Simanjuntak, Ronaldo Saurdot, et al. “Performance Analysis of a 150 WP Portable Solar Power Plant (PLTS) in the Tarutung District Area”. International Conference Epicentrum of Economic Global Framework, Feb. 2026, pp. 1169-85, https://proceeding.pancabudi.ac.id/index.php/ICEEGLOF/article/view/1706.