Triadiarti, Y., L. . Ane, E. L. . D. Purba, S. . Irfan, and D. A. . Halim. “Implementation of Education Management In High Schools /Vocational Schools In North Sumatra”. Journal Research of Social Science, Economics, and Management, vol. 2, no. 3, Oct. 2022, pp. 337–352, doi:10.59141/jrssem.v2i03.285.