Dias, Rui, Rosa Galvão, Aloisio Machado da Silva Filho, Nuno Teixeira, Paulo Alexandre, and Sidalina Gonçalves. “Efficiency of Traditional and Green Cryptocurrencies: A Comparative Analysis”. Journal of Ecohumanism 4, no. 4 (April 14, 2025): 142–159. Accessed May 13, 2025. https://ecohumanism.co.uk/joe/ecohumanism/article/view/6718.