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

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.

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 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 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 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

hartanto, hartanto and Agus Tjahjono, Agus Tjahjono and rudy sugiharto, rudy sugiharto (2020) The characteristics of current patterns in the waters of port of Tanjung Emas Semarang. The characteristics of current patterns in the waters of port of Tanjung Emas Semarang, 9 (2). pp. 403-409.

Agus Tjahjono, Agus Tjahjono and Hartanto, Hartanto and Okvita Wahyuni, Okvita Wahyuni and Edi Wibowo, Edi Wibowo (2020) Factors Affecting the Performance of Fresh Water Generator in Merchant Vessel. Factors Affecting the Performance of Fresh Water Generator in Merchant Vessel, 9 (1). pp. 19-24. ISSN 2217‐8309