00613naa#a2200169#i#450# EN\\bibl\95267 20250701122344.2 2782-4586 20241030b2024####ek#y0engy0150####ca RU Assessment and improvement of the efficiency of enterprises in the field of connecting and communications Journal article Moscow ITBO University 2024 7 с. Journal article local Экономические науки в целом. Политическая экономия. 330 Lomakin Alexander Ivanovich jomeam.ru