Striy, L., Orlov, V., Zakharchenko, L., Golubev, A., & Bogatyreva, L. (2017). Enterprises of telecommunications in Ukraine: research of the present state and directions of development. Technology Audit and Production Reserves, 4(4(36), 15–21. https://doi.org/10.15587/2312-8372.2017.108664