Daud, M., and H. S. Panggabean. “The Principal’s Leadership Model in Integrating Islamic Values ​​into School Culture at Imelda Vocational School, Medan”. Journal of Social Knowledge Education (JSKE), Vol. 6, no. 4, Nov. 2025, pp. 512-9, doi:10.37251/jske.v6i4.2166.