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"Effectiveness of city halls' social networking sites in Poland based on ..."
Magdalena Kotnisa, Malgorzata K. Guzowska (2021)
- Magdalena Kotnisa, Malgorzata K. Guzowska:
Effectiveness of city halls' social networking sites in Poland based on the Data Envelopment Analysis (DEA) Methodology. KES 2021: 4227-4236
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