Modarresi, Navideh, Moshtagh Darvishi, and Shokoofeh Banihashemi. “Modeling Sustainable Development of Cryptocurrencies by a Fractional Pure-Jump Process in DEA Framework”. International Journal of Economic Sciences 14, no. 1 (May 28, 2025): 108–122. Accessed June 5, 2025. https://ijes-journal.org/journal/article/view/178.