GRAȚIELA, Brânză.
Sustainable Maritime Transportation System in European Union.
<strong>Constanta Maritime University Annals</strong>, [S.l.], v. 27, n. 223, mar. 2019.
ISSN 2067-0427.
Available at: &lt;<a href="http://annals.cmu-edu.eu/index.php/cmuannals/article/view/45" target="_new">http://annals.cmu-edu.eu/index.php/cmuannals/article/view/45</a>&gt;. Date accessed: 29 nov. 2020.