Arain, Komal, Naeem Ahmed Qureshi, Velo Suthar, Zulqarnain Arain, and Abdul Majid Memon. “Realized Covariance Forecasting for Environmental Data through Multivariate GARCH Models”. Bulletin of Multidisciplinary Studies 2, no. 3 (October 1, 2025): 280–289. Accessed April 30, 2026. https://journals.irapa.org/index.php/BMS/article/view/1102.