Arif, Asma, and Hasnat Ahmad. “Impact of Trade Openness on Output Growth: Co Integration and Error Correction Model Approach”. International Journal of Economics and Financial Issues 2, no. 4 (September 3, 2012): 379–385. Accessed April 19, 2024. https://www.econjournals.com/index.php/ijefi/article/view/277.