Onyele, Kingsley Onyekachi, and Emmanuel Chijioke Nwadike. “Modelling Stock Returns Volatility and Asymmetric News Effect: A Global Perspective”. Financial Risk and Management Reviews 7, no. 1 (January 11, 2021): 1–15. Accessed December 22, 2024. https://archive.conscientiabeam.com/index.php/89/article/view/1741.