• Integrating small and medium-sized ports into green shipping corridors: A case study of Sillamäe-Kotka ferry lineHrenov, Georgi; Bark, Eunice O.; Prause, Gunnar Klaus; Gerstlberger, Wolfgang DieterTransport and telecommunication journal2025 / p. 373-385 https://doi.org/10.2478/ttj-2025-0029 https://reference-global.com/article/10.2478/ttj-2025-0029