Fadlalmola, Hammad, and Amal Elhusein. “Nutritional Pattern Among Adolescents: A Case Study of a Secondary School at Khartoum, Sudan”. Healthcare Review 1, no. 1 (June 28, 2020): 36-41. Accessed December 6, 2021. https://sriopenjournals.com/index.php/healthcare_review/article/view/15.