Effectiveness of city halls’ social networking sites in Poland based on the Data Envelopment Analysis (DEA) Methodology
| Autor: | Kotnisa, Magdalena, Guzowska, Małgorzata K. |
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| Zdroj: | In Procedia Computer Science 2021 192:4227-4236 |
| Databáze: | ScienceDirect |
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