“Pengembangan Lembar Kerja Matematika Siswa SMA Materi Kombinatorika Berbasis SDGs 9 (Industri, Inovasi, Dan Infrastruktur”. IMEJ Indonesian Mathematics Education Journal, vol. 3, no. 1, May 2026, pp. 15-37, https://doi.org/10.21154/imej.v3i1.75.