Formation of an effective management structure for enterprises in the energy sector of the economyZhanna Lemesheva, Oksana Yurchenko, Myron Karpovich, Zinaida Petrikova, Natalya Bratishko and Larisa GaripovaE3S Web Conf., 110 (2019) 02129DOI: https://doi.org/10.1051/e3sconf/201911002129