Astuty W, Hendriani S, Marsidin S. Principal’s Strategy in Improving the Quality of Graduates at SMA Negeri 1 Batusangkar. JAF [Internet]. 2021Dec.20 [cited 2026Jan.20];9(2):32-44. Available from: https://ejournal.uinmybatusangkar.ac.id/ojs/index.php/alfikrah/article/view/4089