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Agus Tjahjono, Agus Tjahjono and Djoko Suwarno, Djoko Suwarno (2020) The Spatial Distribution of Heavy Metal Lead and Cadmium Pollution and Coliform Abundance of Waters and Surface Sediment in Demak. The Spatial Distribution of Heavy Metal Lead and Cadmium Pollution and Coliform Abundance of Waters and Surface Sediment in Demak, 19 (4). pp. 43-54. ISSN 2299-8993
Agus Tjahjono, Agus Tjahjono and Hartanto, Hartanto (2020) Plankton indexes and heavy metal pollution in Kendal coastal waters, Indonesia. Plankton indexes and heavy metal pollution in Kendal coastal waters, Indonesia, 13 (3). pp. 46-63.
Agus Tjahjono, Agus Tjahjono and O Wahyuni, O Wahyuni and S Purwantini, S Purwantini (2020) The Assessment of Biological and Pollution Index of Estuaries Around Port of Tanjung Emas Semarang. The Assessment of Biological and Pollution Index of Estuaries Around Port of Tanjung Emas Semarang. pp. 1-15.