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Jennerjahn, T.C, Ittekkot, V, Klöpper, S, Adi, Seno, Purwo Nugroho, Sutopo, Sudiana, Nana, Yusmal, Anyuta, Prihartanto, P. and Gaye-Haake, B (2004) Biogeochemistry of a tropical river affected by human activities in its catchment: Brantas River estuary and coastal waters of Madura Strait, Java, Indonesia. Estuarine, Coastal and Shelf Science, 60 (3). pp. 503-514. DOI https://doi.org/10.1016/j.ecss.2004.02.008.