Dinar, Zeineb Aloui. “Transboundary Pollution, R&D Spillovers, Absorptive Capacity and International Trade”. International Journal of Economics and Financial Issues 4, no. 3 (June 3, 2014): 501–513. Accessed January 25, 2025. https://mail.econjournals.org.tr/index.php/ijefi/article/view/813.