Bhutto, Fiaz Ahmed, Ikhtiar Ali Ghumro, and Allah Bux Lakhan. “Causal Relationship Between Spot Price & Future Derivative Prices – Case of Crude Oil”. Research Journal for Societal Issues 5, no. 2 (June 30, 2023): 396–408. Accessed September 19, 2024. https://rjsi.org.pk/index.php/Research/article/view/126.