Essa, M.S.I. , Yousif, M.E.A. and Abdalmagid, M. 2022. Assessment of Personal Hygiene Practices among Primary School Pupils in Umbada locality, Khartoum state, Sudan (2018-2020). ABC Research Alert. 10, 3 (Oct. 2022), 23–31. DOI:https://doi.org/10.18034/ra.v10i3.629.