DAYANARA HAZRATI; TIUR MALASARI SIREGAR. Pengembangan E-LKPD Dengan Menggunakan Model Pembelajaran Problem Based Learning Pada Materi Sistem Persamaan Linear Dua Variabel Kelas VIII SMP Negeri 29 Medan. Journal of Student Research, [S. l.], v. 1, n. 2, p. 404–421, 2023. DOI: 10.55606/jsr.v1i2.1048. Disponível em: https://ejurnal.stie-trianandra.ac.id/index.php/jsr/article/view/1048. Acesso em: 22 dec. 2024.