Susanti, A., Riyanto, Y. and Sigit, B. 2023. Principal Professionalism in Improving the Quality of Education in Senior High School. Scaffolding: Jurnal Pendidikan Islam dan Multikulturalisme. 5, 1 (Feb. 2023), 1-18. DOI:https://doi.org/10.37680/scaffolding.v5i1.2291.