Sembiring, D. A. K., and M. A. Tijow. “The Relevance and Impact of Academic Supervision on Educational Excellence in Secondary Schools”. JMKSP (Jurnal Manajemen, Kepemimpinan, Dan Supervisi Pendidikan), vol. 10, no. 1, Feb. 2025, pp. 260-74, doi:10.31851/jmksp.v10i1.16860.