1. Gorstein, J., Sullivan, K. M., Parvanta, I. & Begin, F. Indicators and methods for cross-sectional surveys of vitamin and mineral status of populations. Micronutr. Initiat. Ott Cent Dis. Control Prev. Atlanta. 53, 12 (2007).
2. Bailey, R. L., West, K. P. Jr. & Black, R. E. The epidemiology of global micronutrient deficiencies. Ann. Nutr. Metab. 66(Suppl. 2), 22–33 (2015).
3. Csa I. Central Statistical Agency (CSA) [Ethiopia] and ICF. Ethiopia Demographic and Health Survey, Addis Ababa (Cent Stat Agency, 2016).
4. Organization WH. Guideline: daily iron and folic acid supplementation in pregnant women (World Health Organization, 2012).
5. Fiedler, J. L., & D’Agostino, A. A simple method for making a rapid, initial assessment of the consumption and distribution of iron-folic acid supplements among pregnant women in developing countries (2015).