Harahap, L., J. F. R. . Panggabean, K. . Sirait, and S. D. . Purba. “IT Governance With Framework Implementation Cobit 5 at Yapim Air Bersih Senior High School Medan”. Jurnal ICT : Information and Communication Technologies, vol. 16, no. 1, May 2025, pp. 50-58, doi:10.35335/jict.v16i1.226.