Knowledge and Practice Regarding Coronavirus Disease Prevention (COVID-19) Among Internally Displaced Persons in Camps in Central Darfur Region, Sudan oleh Mohammed Abdelkrim Adam Abdelmalik, Abdalbasit Adam Mariod, Mohamed Adam Beraima, Hammad Ali Fadlalmola, Eltagi Elsadeg Sulliman Rahama, Huda Khalafallah Masaad, Mohammed Ibrahim Osman Ahmed, Ibrahim Abbakr Ibrahim Abbakr, Eyas Gaffar Abdelraheem Osman, and Ibrahim Musa Ibrahim Hassan