Henda Armanda. Implementasi Pembelajaran Model Problem Based Learning pada Mata Pelajaran Sejarah Indonesia Kelas 10 MA Bustanul Muta’allimin Blitar. sosial [Internet]. 2024 Oct. 20 [cited 2026 Mar. 13];2(4):01-12. Available from: https://journal.appisi.or.id/index.php/sosial/article/view/397