ANDRIIEVSKA Людмила, HLUSHKOVA Тетяна, and KOLOMIIETS Тетяна. “orld martphone arket”. Commodity science. Technologies. Engineering 37, no. 1 (March 12, 2021): 19–33. ccessed August 29, 2025. https://journals.knute.edu.ua/commodities-and-markets/article/view/908.