Influence of information source regarding COVID-19 knowledge among the undergraduate dental students during the early lockdown: a multi-national study - Mallineni, Sreekanth Kumar; Nuvvula, Sivakumar; Ismail, Ahmad Faisal; Aldhuwayhi, Sami; Shaikh, SA; Deeban, Y; Kumar, V; Almaz, ME (Verduci Editore srl, 2022)