Frasyniuk, Tatyana, and Natalia Primachova. “Marine Shipping Industry Within the System of Global Economic Relations Sustainability”. International Journal of Engineering & Technology 7, no. 4.3 (September 15, 2018): 451–455. Accessed May 2, 2024. https://www.sciencepubco.com/index.php/ijet/article/view/19914.