Other sources

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Praguer: Mobile Application for Foreigners Living in Prague. http://praguer.icpraha.com/en

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V. Baldi and A. Ribeiro, Conceptualization of a Mobile Application Aimed at Refugees in Portugal, 13th Iberian Conference on Information Systems and Technologies (CISTI), DOI: 10.23919/CISTI.2018.8399362, 2018, https://www.researchgate.net/publication/326053389_Conceptualization_of_a_mobile_application_aimed_at_refugees_in_Portugal