PURNAMA, C. Analisa muatan pupuk terhadap kesehatan crew. Jurnal Cakrawala Bahari, [S. l.], v. 3, n. 1, p. 14–17, 2020. DOI: 10.70031/jkb.v3i1.17. Disponível em: https://jurnal.poltekpelsumbar.id/index.php/jcb/article/view/17. Acesso em: 7 jul. 2025.