“ECONOMIC GROWTH, URBANISATION, TRADE, AND ENVIRONMENTAL QUALITY IN THE EUROPEAN UNION: ARDL AND GRANGER CAUSALITY ANALYSIS”, MAJAF, vol. 6, no. 1, pp. 50–73, Sep. 2025, Accessed: May 30, 2026. [Online]. Available: https://majaf.com.ng/index.php/majaf/article/view/267