Raju, Guntur Anjana, and Shripad Ramchandra Marathe. “Relationship Between Crude Oil Prices and Macro-Economic Variables: Evidence from BRICS Countries”. International Journal of Energy Economics and Policy, vol. 10, no. 5, Aug. 2020, pp. 264-71, https://mail.econjournals.com/index.php/ijeep/article/view/9755.