Meningkatkan Hasil Belajar Sistem Persamaan Linier Dua Variabel (SPLDV) melalui Model Problem Based Learning. J. Tindak. Kelas [Internet]. 2026 May 3 [cited 2026 Nov. 13];6(2):387-96. Available from: https://jurnal.ciptamediaharmoni.id/ptk/article/view/749