Onyeka-Ubaka, J. N., and R. O. Okafor. “MODELLING CRUDE OIL PRICE TIME-VARYING VOLATILITY USING JUMP-DIFFUSION MODEL”. UNILAG Journal of Medicine, Science and Technology 6, no. 2 (May 17, 2019): 135-152. Accessed April 4, 2025. http://ujmst.unilag.edu.ng/article/view/403.