Herliana, P., Riskawaty, H., Hermawan, H., & Amelia, R. (2025). ANALYSIS OF WORK CULTURE, LEADERSHIP STYLE, WORK MOTIVATION AND WORK DISCIPLINE IN IMPROVING TEACHER PERFORMANCE THROUGH A MIX METHODS APPROACH IN KOTABARU REGENCY SECONDARY SCHOOLS. Improvement: Jurnal Ilmiah Untuk Peningkatan Mutu Manajemen Pendidikan, 12(1), 1–23. https://doi.org/10.21009/improvement.v12i1.52661