Kwadzo, B. F., D. M. Gyimah, and N. Peter. “Prediction of the Volatility of Ghana Stock Exchange Main Index by Using the Generalised Autoregressive Conditional Heteroskedasticity Model”. The International Journal of Business & Management, vol. 7, no. 10, Oct. 2019, doi:10.24940/theijbm/2019/v7/i10/BM1910-054.