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COVID answers in Scientific Journals all over the world


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Korean Society for Railway: Journal of the Korean society for railway
  original article Date Title Authors   All Authors
1 [GO] 2025―Feb―24 Study of COVID-19’s Influence on Urban Railway Rolling Stock Maintenance Efficiency : Impact of Decreased Passenger Demand on Seoul Metro Line 2 Kyoung-Soo Seo
2 [GO] 2024―Sep―20 Study of Impact of COVID-19 Pandemic on Urban Railway Productivity: Focusing on Seoul Urban Railway with Malmquist Productivity Index Kyoung-Soo Seo
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