J. A. C. Santos and M. C. Santos, “Co-authorship networks: Collaborative research structures at the journal level”, Tour Manage Stud, vol. 12, no. 1, pp. 5–13, Jan. 2016, Accessed: Apr. 27, 2024. [Online]. Available: https://www.tmstudies.net/index.php/ectms/article/view/903