Modarresi N, Darvishi M, Banihashemi S. Modeling Sustainable Development of Cryptocurrencies by a Fractional Pure-Jump Process in DEA Framework. Int. J. Econ. Sci. [Internet]. 2025 May 28 [cited 2025 Jun. 5];14(1):108-22. Available from: https://ijes-journal.org/journal/article/view/178