Zaine Zulkifli, Intan Hashimah Mohd Hashim, and Mahathir Yahaya. “Validity and Reliability of the Tromso Social Intelligence Scale (TSIS): A Study of Malaysian Teachers”. Journal of Human Development and Communication (JoHDeC), vol. 10, Feb. 2025, pp. 99-104, https://ejournal.unimap.edu.my/index.php/johdec/article/view/1762.