Kudrytska, Zh.; Seiz, A.; Кудрицька, Ж. В.; Сейз, А. В.
(Університет митної справи та фінансів, 2019-08-28)
The article focuses on the recent tendency towards a decrease in the number of fixed telephone subscribers, which occurs every year. This is a global trend that has arisen due to the proliferation of mobile communications.
One ...