Dalimunthe, A. Q., Nurcahyati Sinulingga, N., & Lubis, K. (2026). Implementation of Hifzhul Lisan Ethics and Birrul Muallim in Building Harmonious Teacher-Student Relationships in High Schools. Chalim Journal of Teaching and Learning, 5(2), 239–251. https://doi.org/10.31538/cjotl.v5i2.2983