Title: | Экотехнология и ресурсосбережения |
Subtitle: | |
Nationality: | Украйна |
ISSN: | 0235-3482 |
UDC: | 66 |
Note: |
University of Economics - | Varna - | 2000 |
University of Economics - | Varna - | 2002 |
University of Economics - | Varna - | 2006 |
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