Thahir, M., A. Komariah, D. A. Kurniady, N. Suharto, T. C. Kurniatun, W. Widiawati, and S. Nurlatifah. “Professional Development and Job Satisfaction on Teaching Performance”. Linguistics and Culture Review, vol. 5, no. S4, Dec. 2021, pp. 2507-22, doi:10.21744/lingcure.v5nS4.2046.