1. Secretariat for Water- Ministry of Environment, Energy and Climate Change, 2012. Definition and recording of relevant authorities and specification of their jurisdiction areas- Water District of Central and Western Macedonia, Ministry of Environment, Energy and Climate Change, Athens, Greece (only available in Greek).
2. Ministry of Development, 2008. Development of Management Tools for Water Resouces for the Water Districts of Western Macedonia, Central Macedonia, Thrace and Eastern Macedonia, Ministry of Development, Athens, Greece (only available in Greek).
3. Bithas K., 2011. Economics of the Environment and Human Resources, Research University Institute of Urban Environment and Human Resources Ed., Athens, Greece(only available in Greek).
4. Bromley D., 1998. Searching for sustainability: The poverty of spontaneous order, Ecological Economics 24 (1998) 231-240.
5. WATECO – Working Group 2.6, 2003. Economics and the Environment – The Implementation Challenge of the Water Framework Directive; Guidance Document No 1, Luxembourg.