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| 100 | _aH. Bachev | ||
| 245 | 0 | _aAbsolute and Comparative Sustainability of Farming Enterprises in Bulgaria | |
| 650 | _aComputer science, information & general works | ||
| 856 | _uhttps://new.zodml.org/sites/default/files/2023-06/absolute_and_comparative_sustainability.pdf | ||
| 942 | _cEBK | ||
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