MARIN, O., DUMITRACHE, C., FILIMON, A., ABAZA, V. and SPÂNU, A. 2025. Current ecological study of hard substrate habitats from coastal waters of the Romanian Black Sea area. ACROSS Journal of Interdisciplinary Cross-border Studies. 5, 3 (Apr. 2025). DOI:https://doi.org/https://doi.org/10.35219/across.2022.5.3.06.