Raheem Ahmed, Rizwan, et al. “Estimation of Long-Run Relationship of Inflation (CPI & WPI), and Oil Prices With KSE-100 Index: Evidence from Johansen Multivariate Cointegration Approach”. Technological and Economic Development of Economy, vol. 23, no. 4, June 2017, pp. 567-88, https://doi.org/10.3846/20294913.2017.1289422.