Ahmad Azli, N. ., and H. . Jaffar. “Performance Analysis of an Active Power Filter Utilizing Cascaded H-Bridge Multilevel Inverter With Unified Constant-Frequency Integration Control”. Journal of Advanced Research in Applied Mechanics, vol. 16, no. 1, Oct. 2020, pp. 15-22, https://akademiabaru.com/submit/index.php/aram/article/view/1746.