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THE PROSPECTS FOR MOBILE ADVERTISING DEVELOPMENT. Ekon. čas. Volins. nac. unìv. ìm. Lesì Ukraïnki [Internet]. 2018 Sep. 30 [cited 2024 Nov. 22];3(15):52-8. Available from: https://echas.vnu.edu.ua/index.php/echas/article/view/366