“ A New Multicarrier Sinusoidal Pulse Width Modulation (SPWM) Strategy Based on Rooted Tree Optimization (RTO) Algorithm for Reducing Total Harmonic Distortion (THD) of Switched-Capacitor Nine-Level Inverter in Grid-Connected PV Systems”. Indonesian Journal of Science and Technology 7, no. 1 (November 28, 2023): 19–36. Accessed September 4, 2025. https://ejournal.kjpupi.id/index.php/ijost/article/view/37.