The Use of ICT During the Covid-19 Pandemic in the City of Belgrade Autori: Miloš Milenković, Dalibor Kekic, Darko Glavaš, Dušan Marković, Vlada Plemić Izdanje: Sinteza 2021 - International Scientific Conference on Information Technology and Data Related Research DOI: 10.15308/Sinteza-2021-187-192