HELENI, Susda; ARMIS, Armis; KARTINI, Kartini; ANDRIANI, Suci. Pembinaan Guru Pembimbing Olimpiade Sains Nasional Bidang Matematika SMA/MA Kecamatan Siak. Jurnal Pendidikan Tambusai, [S. l.], v. 8, n. 3, p. 44605–44613, 2024. Disponível em: http://jptam.org/index.php/jptam/article/view/21171. Acesso em: 5 may. 2025.