Xiao, Ke, Gang Wang, Hongling Yi, and Asad Nisar. “Dynamic Common Correlated Effects of Green Innovation Funding and Green Trade on Environmental Quality in OECD Countries ”. Problemy Ekorozwoju 20, no. 2 (July 1, 2025): 270–283. Accessed April 9, 2026. https://ph.pollub.pl/index.php/preko/article/view/6960.