1. Department of Environment and Natural Resources Faculty of Agronomy and Environment, Agricultural University of Tirana Tirana Albania
2. Faculty of Natural Science, University of Tirana Tirana Albania
3. Department of Botany Faculty of Biology, University of Sofia Sofia Bulgaria
4. Department of Crop Production Faculty of Agronomy and Environment, Agricultural University of Tirana Tirana Albania
5. Department of Economy and Agrarian Policy Faculty of Economy and Agribusiness, Agricultural University of Tirana Tirana Albania
6. Department of Agriculture, Food, Environment and Forestry University of Florence Italy
7. Department of Forest and Soil Sciences Institute of Soil Research, University of Natural Resources and Life Sciences Vienna Austria
8. ECONICK Lunéville France
9. Centre for Mined Land Rehabilitation Sustainable Minerals Institute, University of Queensland St Lucia Queensland Australia