Umardiyah F, Anggraini SY. Pengembangan Video Pembelajaran Materi Operasi Irisan dan Gabungan Dua Himpunan. JoEMS [Internet]. 28Aug.2022 [cited 4Mar.2025];5(4):48-2. Available from: http://ojs.unwaha.ac.id/index.php/joems/article/view/791