Essa MSI, Yousif MEA, Abdalmagid M. Assessment of Personal Hygiene Practices among Primary School Pupils in Umbada locality, Khartoum state, Sudan (2018-2020). ABC res. alert [Internet]. 2022 Oct. 13 [cited 2024 May 19];10(3):23-31. Available from: https://abcresearchalert.com/article/view/629