Rijkure, Astrida. “IMPACT OF BLUE GROWTH ON BALTIC SEA REGION PORTS”. ENVIRONMENT. TECHNOLOGIES. RESOURCES. Proceedings of the International Scientific and Practical Conference 1 (June 15, 2017): 224–228. Accessed November 21, 2024. https://journals23.rta.lv/index.php/ETR/article/view/2630.