SEMBIRING, J.; GINTING, N.; LUBIS, F. .; SEMBIRNG, C. Pengenalan Public Speaking Pada Siswa SD Negeri 027089 Kota Binjai. JURNAL ABDIMAS MADUMA, [S. l.], v. 4, n. 2, p. 90–98, 2025. DOI: 10.52622/jam.v4i2.453. Disponível em: https://journal.eltaorganization.org/index.php/ecdj/article/view/453. Acesso em: 30 apr. 2026.