JAYA SANTOSO; MERRY MERYAM MARTGRITA; ASIDO SARAGIH; SARI MUTHIA SILALAHI; ANA MULIYANA. Kegiatan Del Biology Competition 2022 Dalam Meningkatkan Kemampuan Pengetahuan Siswa Toba. Jurnal Pengabdian Masyarakat Mandira Cendikia, [S. l.], v. 3, n. 6, p. 24–29, 2024. Disponível em: https://journal.mandiracendikia.com/index.php/pkm/article/view/1144. Acesso em: 12 sep. 2025.