LISMAWARTI, F.; SARWO DERTA. Evaluasi Pengembangan LKS Berbasis Pendekatan Problem Based Learning (PBL) Pada Materi Program Linear di SMA Muhammadiyah Padangpanjang. Journal of Information System and Education Development, [S. l.], v. 1, n. 1, p. 13–16, 2023. Disponível em: http://journal.mwsfoundation.or.id/index.php/jised/article/view/2. Acesso em: 29 oct. 2025.