SUDRAJAT, Sudrajat; RIFQIA, Fathmi Aqinna; ARDIYAMTI, Tsalis Rifa; SULISTYOWATI, Intan. PEMBINAAN OLIMPIADE SAINS NASIONAL (OSN) BIDANG STUDI MATEMATIKA DI SMP ISLAM TA’ALLUMUL HUDA BUMIAYU. Jurnal Pengabdian Masyarakat : BAKTI KITA, [S. l.], v. 6, n. 2, p. 39–48, 2025. DOI: 10.52166/baktikita.v6i2.10059. Disponível em: https://ejournal.unisda.ac.id/index.php/baktikita/article/view/10059. Acesso em: 5 jun. 2026.