Malik, Kashif Zaheer, et al. “Oil Price Shock and Its Impact on the Macroeconomic Variables of Pakistan: A Structural Vector Autoregressive Approach”. International Journal of Energy Economics and Policy, vol. 7, no. 5, Nov. 2017, pp. 83-92, https://mail.econjournals.com/index.php/ijeep/article/view/5346.