Arifin, Syaiful. “The Effects of Ability, Emotional Intelligence, and Professionalism on Employee Performance at the Regional Secretariat of Malang City”. Proceedings of International Conference of Graduate School on Sustainability 9, no. 1 (June 24, 2025): 244–251. Accessed August 4, 2026. https://jurnal.unmer.ac.id/index.php/icgss/article/view/15799.