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Valentin S. Nikolaenko, Oleg N. Petuhov, Olga V. Petukhova and Vladislav V. Romanovsky ,” The Use of Management According to Activities “ Proceedings of the 28th International Business Information Management Association (IBIMA), ISBN: 978-0-9860419-8-3, 9-10 November 2016, Seville, Spain, p.452 - 458