Jayanti, Evi Sri, Edi Harapan, and Dessy Wardiah. 2021. “The Leadership of Schools in Improving The Quality of Education in The 18 State Basic Schools of Air Kumbang”. Jurnal Pendidikan Tambusai 5 (3):5667-73. https://doi.org/10.31004/jptam.v5i3.1789.