Hariyadi, A., A. Darmuki, S. A. Shofwani, P. H. M. Auruma, and W. R. Sasmita. “School Principal Leadership Strategies in Improving Academic Quality in High Schools”. ANP Journal of Social Science and Humanities , vol. 3, no. 1, Mar. 2022, pp. 48-53, doi:10.53797/anp.jssh.v3i1.7.2022.