Shi, Zhen, Yingju Wu, Yung-ho Chiu, Changfeng Shi, and Xiaohong Na. “Comparing the Efficiency of Regional Knowledge Innovation and Technological Innovation: A Case Study of China”. Technological and Economic Development of Economy 28, no. 5 (September 12, 2022): 1392–1418. Accessed December 2, 2024. https://aviation.vgtu.lt/index.php/TEDE/article/view/17125.