2026. Leadership Strategies to Improve Lecturer Performance at STAI Alhikmah Tebing Tinggi and STIT Batubara. JIM: Jurnal Ilmiah Mahasiswa Pendidikan Sejarah. 11, 1 (Mar. 2026), 385–397. DOI:https://doi.org/10.24815/sejarah.v11i1.592.