Ahmad, N. S.; Ismail, A.; Yaakob, M. N.; Ahmad, N. H. A Systematic Review of Values-Based Leadership Training for Middle Leader Teams in Schools: Methods, Impact, and Challenges. PERS 2025, 17 (Isu Khas), 191-210. https://doi.org/10.37134/perspektif.vol17.sp.13.2025.