Passion-Oranges Syrup Production Gung Pinto Village Tanah Karo. JURNAL PENGMAS KESTRA (JPK), [S. l.], v. 3, n. 1, p. 6–12, 2023. DOI: 10.35451/jpk.v3i1.1697. Disponível em: https://ejournal.medistra.ac.id/index.php/JPK/article/view/1697. Acesso em: 2 dec. 2025.