REFERENCES
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- Csuka , Jözsef . 1970 . “ Principles and methods for estimating the economic efficiency of water management projects (in Hungarian). Examples to chapters 1 to 8, subject 18 of ” . In COMEA Budapest
- Dégen , Imre . 1972 . Water Management, I. The Economic Foundations of Water Management: Budapest. : Tankönyvkiadö .
- VITUKI . 1974 . Method for Quantifying the Risk Involved in Water Management Projects (in Hungarian). Budapest