1. UNICEF. The State of World’s Children. A fair chance for every child. 2017. Available from: https://www.unicef.org/publications/index_91711.html.
2. The Federal Democratic Republic of Ethiopia, National School Health and Nutrition Strategy. Ministry of Education. 2012.
3. School-age children: their nutrition and health;L. Drake;Partnership for child development,2002
4. Physical status: the use and interpretation of anthropometry. Report of a WHO Expert Committee;World Health Organ Tech Rep Ser,1995