has been cited by the following article(s):
[1]
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Surveying the Covid-19 Pandemic and its Implications
2020
DOI:10.1016/B978-0-12-824313-8.00008-5
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[2]
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A Proposal for the Account-Based Ticketing Application in Passenger Transport in the Slovak Republic: A Case Study
Sustainability,
2020
DOI:10.3390/su12145491
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