PURBA, R.; LUBIS, R. K. Sosialisasi E- Commerce Bagi Remaja Melalui Media Speaking Activity Di MTSN 1 Deli Serdang. Jurnal Pengabdian kepada Masyarakat Nusantara, [S. l.], v. 1, n. 1, p. 1–13, 2020. Disponível em: https://ejournal.sisfokomtek.org/index.php/jpkm/article/view/44. Acesso em: 21 may. 2026.