Benbouhenni, H., Boudjema, Z. and Belaidi, A. (2019) “Using Four-Level NSVM Technique to Improve DVC Control of a DFIG Based Wind Turbine Systems”, Periodica Polytechnica Electrical Engineering and Computer Science, 63(3), pp. 144-150. doi: https://doi.org/10.3311/PPee.13636.