Cong, Xuhui, Sai Wang, Liang Wang, Zhipeng Qi, and Miroslaw J. Skibniewski. “New Smart City clusters’ Construction Level Evaluation under Economic Circles: The Case of Shandong, China”. Technological and Economic Development of Economy 29, no. 3 (April 21, 2023): 949–980. Accessed December 2, 2024. https://aviation.vgtu.lt/index.php/TEDE/article/view/18792.