Sattar, Nyla, and Maryam Ishaq. “Testing Purchasing Power Parity Theorem for Interdependent Cross-Sections: An Application of Second-Generation Panel Cointegration Estimators”. Pakistan Journal of Humanities and Social Sciences 13, no. 1 (March 29, 2025): 493–508. Accessed June 15, 2025. https://journals.internationalrasd.org/index.php/pjhss/article/view/2743.