[IEEE 2015 International Conference on Interactive Collaborative Learning (ICL) - Firenze, Italy (2015.9.20-2015.9.24)] 2015 International Conference on Interactive Collaborative Learning (ICL) - A final touch for the environmental engineering students at the onset of their profession: Senior-year graduation design project — Case study for 2014–2015: Feasibility study for and design of a biological wastewater treatment plant for Duzce Province- Marmara Region, Turkey — ARITIYOR ENvirCo