Kifta, D., Islami, S., Jalinus, N., & Abdullah, R. (2022). The Effects Of Leadership Style, Organizational Culture and Self-Concept on Trainers’ Performance at The Vocational Training Institutions. Jurnal Pendidikan Teknologi Kejuruan, 5(1), 8-14. https://doi.org/10.24036/jptk.v5i1.22423