SURADNYA IN. PENERAPAN SISTEM PENJAMINAN MUTU INTERNAL (SPMI) DI SMP NEGERI 1 BANJARANGKAN. manajerial [Internet]. 2021 Jun. 18 [cited 2026 Apr. 27];1(1):8-17. Available from: https://www.jurnalp4i.com/index.php/manajerial/article/view/226