Issayeva, Gulmira, et al. “An Analytical Study on the Stability Properties of Energy Consumption from Fossil Fuels: A Panel Stability Test and Zivot-Andrews Unit Root Test Approach in the Context of BRICS Nations”. International Journal of Energy Economics and Policy, vol. 15, no. 4, June 2025, pp. 1-10, doi:10.32479/ijeep.19324.