MATHEMATICS OLYMPIAD DEVELOPMENT FOR MADRASAH IBTIDAIYAH NEGERI 1 BALIKPAPAN STUDENTS IN PREPARING FOR THE MADRASAH SCIENCE COMPETITION. (2024). Seminar Nasional Pengabdian Kepada Masyarakat (SEPAKAT), 3. https://journal.itk.ac.id/index.php/sepakat/article/view/963