1. UN Inter-agency Group for Child Mortality Estimation. Levels & Trends in child mortality. New York: United Nations Children’s Fund; 2019.
2. WHO on behalf of The Partnership for Maternal Newborn and Child Health;The Partnership for Maternal, Newborn and Child Health,2006
3. World Health Organization. Guidelines on optimal feeding of low birth-weight infants in low- and middle-income countries. Geneva: World Health Organization; 2011.
4. National Bureau of Statistics. 2015–16 Tanzania Demographic and Health Survey and Malaria Indicator Survey. Dar es Salaam: National Bureau of Statistics; 2016.
5. United Nations Children’s Fund & World Health Organization. Low Birthweight: country, regional and global estimates. New York: UNICEF; 2004.