Lismawarti F, Sarwo Derta. Evaluasi Pengembangan LKS Berbasis Pendekatan Problem Based Learning (PBL) Pada Materi Program Linear di SMA Muhammadiyah Padangpanjang. jised [Internet]. 2023Aug.29 [cited 2025Oct.29];1(1):13-6. Available from: http://journal.mwsfoundation.or.id/index.php/jised/article/view/2