1. Faculty of Mechanical Engineering, Department of Energy, Polytechnic University of Tirana, ALBANIA
2. Faculty of Mathematical and Physics Engineering, Department of Mathematical Engineering, Polytechnic University of Tirana, ALBANIA
3. Faculty of Civil Engineering, Department of Hydraulics & Hydrotechnics, Polytechnic University of Tirana, ALBANIA
4. Albanian Academy of Sciences, 1000 Tirana, ALBANIA