Moroșanu, Georgiana-Alexandra, and Nicușor Baroiu. “Study on Small and Medium-Sized Boats With Ecological Propulsion Systems in Danube Delta Area : Array”. Journal of Danubian Studies and Research 11, no. 1 (September 28, 2021). Accessed May 3, 2024. https://dj.univ-danubius.ro/index.php/JDSR/article/view/1291.