Global Trends of Fintech Development in the Context of the Digital Economy Formation за авторством Ye. O. Sopin

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General Tendencies in the Development of the Electronic Payment Services Market and the Problems of Ensuring the Economic Efficiency of Their Provision за авторством I. H. Khanin, Ye. O. Sopin

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Electronic Payment Systems: Operation Peculiarities and Economic Efficiency Assessment за авторством I. H. Khanin, Ye. O. Sopin

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Digital Economy: The Essence, Features, and Global Tendencies of Development за авторством I. H. Khanin, V. S. Bilozubenko, Ye. O. Sopin

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