Sudrajat S, Rifqia F, Ardiyamti T, Sulistyowati I. PEMBINAAN OLIMPIADE SAINS NASIONAL (OSN) BIDANG STUDI MATEMATIKA DI SMP ISLAM TA’ALLUMUL HUDA BUMIAYU. Jurnal Pengabdian Masyarakat : BAKTI KITA [Internet]. 28Oct.2025 [cited 20Jan.2026];6(2):39-8. Available from: https://e-jurnal.unisda.ac.id/index.php/baktikita/article/view/10059