1. Altuğ, G., & Bayrak, Y. (2003a). The contribution of capsulated bacteria to the total bacterial community in the water column of the Northern Marmara Sea, Küçükçekmece Lagoon and Strait of Istanbul, Turkey. Turkish Journal Marine Sciences, 9(2), 111–20.
2. Altuğ, G., & Bayrak, Y. (2003b). The comparison of bacterial level in different aquatic environments by using microscopic and cultural methods (pp. 119–29). Turkey: International Symposium of Fisheries and Zoology Istanbul.
3. Altuğ G., Erk H. (2001) Level of Coliform, Esherichia coli, Salmonella spp and Cu, Pb, Cd, Zn, Hg on the Coastline of Gökçeada in Water Body and Some Organisms. Ulusal Ege Adaları Toplantısı Bildiriler Kitabı, ÖZTÜRK, B., AYSEL, V. Ed., TÜDAV no. 7, 142–150.
4. Altuğ G., Aktan-Turan Y., Oral M., Topaloğlu B., Dede A., Keskin Ç., İşinibilir M., Çardak M., Çiftçi P.S., Tonay M.A. (2007) Evaluation of biological diversity related to physical, chemical and biological data of the Northern Aegean Sea and Southern Marmara Sea. The Scientific and Technical Research Council of Turkey 105Y039 Technical Report.
5. Altuğ G., Çardak M., Gürün S., Çiftçi P.S., Saad A.A., Ibrahim A., Fakhri M. (2010) Biodiversity of culturable aerobic heterotrophic bacteria in the coastal areas of Syria, Lebanon and the offshore areas of the Northern Aegean Sea and the Mediterranean. INOC-Tischreen University, International conference on Biodiversity of the Aquatic Environment, 115–124.