Sembiring, E. V., and I. D. . Nugraha. “EFFECTIVENESS OF IMPLEMENTING ACADEMIC SUPERVISION IN IMPROVING TEACHER PERFORMANCE IN SMK NEGERI 5 PADANG”. Jurnal Mantik, vol. 6, no. 2, June 2022, pp. 1393-6, https://www.iocscience.org/ejournal/index.php/mantik/article/view/2499.