GOLLASCH, Stephan; DAVID, Matej. Sampling Methodologies and Approaches for Ballast Water Management Compliance Monitoring. Promet - Traffic&Transportation, [S. l.], v. 23, n. 5, p. 397–405, 2012. DOI: 10.7307/ptt.v23i5.158. Disponível em: https://traffic2.fpz.hr/index.php/PROMTT/article/view/1424. Acesso em: 26 aug. 2025.