Ratih, N. G. A. ., O. . Naharia, and S. D. . Sumual. “The Role of the Principal in the Implementation of School-Based Management at Smk Negeri 1 Kotamobagu”. European Multidisciplinary Journal of Modern Science, vol. 6, May 2022, pp. 415-22, https://emjms.academicjournal.io/index.php/emjms/article/view/419.