1. Chen, K., Jiang, X., Huang, H., et al.: An analysis of research on human resource management in university library. J. Library Sci. Soc. Sichuan 03, 9–13 (2017)
2. Pinfield, S.: The changing role of subject librarians in academic libraries. J. Librariansh. Inf. Sci. 33(1), 32–28 (2001)
3. Sarasvathy, P., Nambratha, G.R., Giddaiah, D.: Changing roles of the librarians in the virtual/digital era. SRELS J. Inf. Manag. 49(5), 495–500 (2019)
4. Steering Committee for Academic Libraries of China. Statistical Data. [EB/OL]: http://www.scal.edu.cn/tjpg/tjsj. Accessed on 25 Sept 2021
5. Wu, J.L.: Study on GM(1,1)-BP combination model based on grey correlation. J Chongqing Univ Technol (Nat Sci) 33(11), 207–210 (2019)