Hou, Jianhua, and Xiucai Yang. “The Spatial-Temporal Transfer of Scientometrics Research Topics Based on Citation Analysis”. Malaysian Journal of Library and Information Science 23, no. 3 (December 28, 2018): 49–68. Accessed April 30, 2024. https://mjlis.um.edu.my/index.php/MJLIS/article/view/15473.