Adriman, Ismail, and Bahrun. “Managerial Competency and Social Competency of School Principals in Improving the Quality of Education in Vocational Schools”. Tafkir: Interdisciplinary Journal of Islamic Education, vol. 5, no. 4, Oct. 2024, pp. 612-23, doi:10.31538/tijie.v5i4.1188.