SITEPU, Icha Listya; ROHANI, Laila. The Role of Group Communication in Volunteer Self-Concept at Sikkola Rakyat Kota Medan. Jurnal IPTEK Bagi Masyarakat, [S. l.], v. 6, n. 1, p. 70–75, 2026. DOI: 10.55537/j-ibm.v6i1.1690. Disponível em: https://journal.aira.or.id/j-ibm/article/view/1690. Acesso em: 16 jun. 2026.