Yu, Yantuan, and Nengsheng Luo. “Does Urbanization Improve Energy Efficiency? Empirical Evidence from China”. Technological and Economic Development of Economy 28, no. 4 (June 7, 2022): 1003–1021. Accessed November 26, 2024. https://tede.vgtu.lt/index.php/TEDE/article/view/16736.