Shcherbyna, Veronika, Yuliya Navrozova, and Maryna Matviienko. “Outsourcing of Port Operator Business Processes: The Case of State Enterprise “commercial Sea Port “chornomorsk”””. International Journal of Engineering & Technology 7, no. 4 (September 5, 2018): 6344–6350. Accessed May 2, 2024. https://www.sciencepubco.com/index.php/ijet/article/view/29500.