M. A. Azolabi, “Assessing the Impact of Eco-Innovation, Economic Complexity, and Digitalization on the Circular Economy in Europe: 推动欧洲循环经济：生态创新、经济复杂性与数字化的经验证据”, siss, vol. 44, no. 1, pp. 56–78, Jan. 2026, doi: 10.65967/siss.v44i1.129.