Li, Ke, Jianying Qu, Pan Wei, Hongshan Ai, and Pinrong Jia. “Modelling Technological Bias and Productivity Growth: A Case Study of China’s Three Urban Agglomerations”. Technological and Economic Development of Economy 26, no. 1 (January 3, 2020): 135-164. Accessed November 9, 2024. https://jcem.vgtu.lt/index.php/TEDE/article/view/11329.