Samsuri, Harapan, E. ., & Wardiah, D. . (2021). The Influence of School Leadership Behavior and Teacher Work Ethics on Teacher Performance in Private Vocational Schools, Air Kumbang District. Jurnal Pendidikan Tambusai, 5(3), 5703–5709. https://doi.org/10.31004/jptam.v5i3.1794