Maria P. IVANOVA and Tatiana O. TAGAEVA, ”Design of Payment Rates for Pollutant Discharge into Water Bodies,” Proceedings of the 36th International Business Information Management Association (IBIMA), ISBN: 978-0-9998551-5-7, 4-5 November 2020, Granada, Spain, p 3713-3718.
Maria P. IVANOVA, Tatiana O. TAGAEVA and Tatyana S. GLYZINA, “The Problems of Legislative Regulation of Hydraulic Fracturing: Nature-Protection Aspect“ Proceedings of the 34th International Business Information Management Association (IBIMA), ISBN: 978-0-9998551-3-3, 13-14 November 2019, Madrid, Spain, p. 4304-4309.