“Bivariate Distributions and Copula-Tvar Estimates: A Comparative Study Based on The Selected Financial Returns and Marginal Distributions”. InPrime: Indonesian Journal of Pure and Applied Mathematics 6, no. 1 (May 31, 2024): 38–51. Accessed December 24, 2025. https://journal.uinjkt.ac.id/inprime/article/view/37158.