Muthusamy, N., B. S. Arputharaj, and V. Raja. “Performance Analysis of PSO-Based SHEPWM Control of Clone Output Nine-Switch Inverter for Nonlinear Loads”. Elektronika Ir Elektrotechnika, vol. 30, no. 1, Feb. 2024, pp. 25-31, doi:10.5755/j02.eie.35148.