Djendaoui, D., Benaissa, A., Rabhi, B. and Zellouma, L. 2021. Self tunning filter for three levels four legs shunt active power filter with fuzzy logic controller. Acta Polytechnica. 61, 3 (Jun. 2021), 415–427. DOI:https://doi.org/10.14311/AP.2021.61.0415.