A. umi khoirotunnisa, M. Amandha, D. Mariana, and I. Wahyuni, “Meningkatkan Hasil Belajar Sistem Persamaan Linier Dua Variabel (SPLDV) melalui Model Problem Based Learning”, J. Tindak. Kelas, vol. 6, no. 2, pp. 387–396, May 2026.