26.
27.
Water Resources Management in Balkan Countries
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ISBN: 9783030224707
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Cave and Karst Systems of Romania
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ISBN: 9783030080884
List Price: $179.99
29.
Water Resources Management in Romania
by Negm, Abdelazim M., Romanes...
ISBN: 9783030223199
List Price: $149.99
30.
Water Resources Management in Balkan Countries
by Negm, Abdelazim M., Romanes...
ISBN: 9783030224677
List Price: $149.99