Mardiana, E., Lian , B., & Mahasir. (2024). The Effect Of Teacher Certification And Professionalism On The Performance Of State Vocational School Teachers In Kayu Agung. Wibawa : Jurnal Manajemen Pendidikan , 4(1), 13-22. https://doi.org/10.57113/wib.v4i1.308