Fitriani, F., M. . Alfahmi, and K. . Farida Ferine. “The Influence of Leadership and Supervision on Teacher Professionalism With Motivation As an Intervening Variable in MTs. Muhammadiyah 3 Kisaran”. International Journal of Social Science, Education, Communication and Economics (SINOMICS JOURNAL), vol. 3, no. 2, June 2024, pp. 403-12, doi:10.54443/sj.v3i2.321.