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BESCHKOV, V.; HRISTOV, V. A New Renewable Source of Energy Using the Sulfides in the Deep Black Sea Waters. Public Policy.bg , [S. l.], v. 14, n. 2, 2024. DOI: 10.58894/EJPP.2023.2.483. Disponível em: http://ejpp.eu/index.php/ejpp/article/view/483. Acesso em: 18 feb. 2025.