Essa, Mariam Saeed Ibrahim, and M.A. Abdalmajed. “Assessment of Personal Hygiene Attitudes Among Primary School Pupils in Umbada Locality, Khartoum State (2018-2020), Sudan”. ABC Research Alert 10, no. 3 (November 25, 2022): 64–71. Accessed May 19, 2024. https://abcresearchalert.com/article/view/639.