“Tsallis Entropy Perspective on Multivariate Controlled Autoregressive Fractional Integrated Moving Average System”. 2026. Journal of Al-Rafidain University College For Sciences ( Print ISSN: 1681-6870 ,Online ISSN: 2790-2293 ) 58 (1): 149-59. https://doi.org/10.55562/jrucs.v58i1.13.