SEMBIRING, J. A. B.; SIMAMORA, I.; VERBINA , S.; SITEPU, S. A.; SEMBIRING, M. Sosialisasi Membangun Keterampilan Public Speaking di SMA Katolik 2 Kabanjahe. INCOME: Indonesian Journal of Community Service and Engagement, [S. l.], v. 3, n. 3, p. 152–159, 2024. DOI: 10.56855/income.v3i3.1107. Disponível em: https://journals.eduped.org/index.php/income/article/view/1107. Acesso em: 26 jun. 2025.