Sari, L. P., Ramadhan, A. R., Herawati, E. S. B., Muhammad, A., & Wijaya, W. M. (2026). More Adaptive Educational Supervision: A Study of Principle Variance. Indonesian Journal on Learning and Advanced Education (IJOLAE), 8(1), 224–245. https://doi.org/10.23917/ijolae.v8i1.7984