Pengembangan Lembar Kerja Matematika Siswa SMA Materi Kombinatorika Berbasis SDGs 9 (Industri, Inovasi, Dan Infrastruktur. imej [Internet]. 2026 May 11 [cited 2026 Oct. 2];3(1):15-37. Available from: https://imej.uinponorogo.ac.id/index.php/imej/article/view/75