Djohar, D., Sulanjari, D. Y., & Nur, A. M. (2026). Strengthening Teacher Professional Development through Teacher Working Groups: Insights from Educational Administration and Institutional Ethics. QALAMUNA: Jurnal Pendidikan, Sosial, Dan Agama, 18(1), 745–758. https://doi.org/10.37680/qalamuna.v18i1.9252