HITA, Hita; BR SEMBIRING , Salsalina; DJONI, Djoni; HANES, Hanes; CULITA, Culita. Improving Graphic Design Competence of Vocational Students through Graphic Design Skills of Yapim Biru Biru Private Vocational School Students. Jurnal IPTEK Bagi Masyarakat, [S. l.], v. 5, n. 3, p. 365–374, 2026. DOI: 10.55537/j-ibm.v5i3.1497. Disponível em: https://journal.aira.or.id/j-ibm/article/view/1497. Acesso em: 14 feb. 2026.