IMPACT OF TRANSFORMATION TRENDS AND STRATEGIC CHALLENGES IN THE FIELD OF FINTECH INNOVATIONS ON THE FINANCIAL SECTOR OF UKRAINE. Ekon. čas. Volins. nac. unìv. ìm. Lesì Ukraïnki [Internet]. 2024 Jan. 23 [cited 2024 Jul. 3];3(35):61-7. Available from: https://echas.vnu.edu.ua/index.php/echas/article/view/839