Permana, Ujang, Hanafiah Hanafiah, R. Supyan Sauri, and Emay Mastiani. 2025. “Transformational Leadership in Vocational Education: School Principal Strategies for Teacher Performance Improvement”. AL-ISHLAH: Jurnal Pendidikan 17 (3):4032-43. https://doi.org/10.35445/alishlah.v17i3.7149.