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Agus Tjahjono, Agus Tjahjono and Aziz Nur Bambang, Aziz Nur Bambang and Sutrisno Anggoro, Sutrisno Anggoro (2020) Plankton And Heavy Metal Correlation From Commercial Vessels In Port Of Tanjung Emas Semarang. Plankton And Heavy Metal Correlation From Commercial Vessels In Port Of Tanjung Emas Semarang. pp. 1-7.

Agus Tjahjono, Agus Tjahjono and Boedojo Wiwoho, Boedojo Wiwoho and Saifudin Afandi, Saifudin Afandi (2020) The Performance Optimization of Main Engine Injector of MV. Sinar Papua. The Performance Optimization of Main Engine Injector of MV. Sinar Papua, 2019. pp. 1-9.

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.

Agus Tjahjono, Agus Tjahjono and Vega Fonsula Andromeda, Vega Fonsula Andromeda and Purwantono, Purwantono and Afdolludin Afta Tazani, Afdolludin Afta Tazani (2020) Impact Analysis of Oversize Cylinder Liner on Piston Ring and Surging for Main Engine. Impact Analysis of Oversize Cylinder Liner on Piston Ring and Surging for Main Engine, 186. pp. 16-20.

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Sarifuddin, Sarifuddin and Agus Tjahjono, Agus Tjahjono and Yustina Sapan, Yustina Sapan and Andy Wahyu Hermanto, Andy Wahyu Hermanto (2020) Analysis of Participant Satisfaction Level toward Ecdis Training Services and Facilities. Analysis of Participant Satisfaction Level toward Ecdis Training Services and Facilities, 24 (4). pp. 36-44. ISSN 2279-0837