Gunadi, Dedy, Nelly Rosdiana, and Bidasari Lubis. 2009. “Comparison of Once a Day and Three Times a Day Iron Treatment in 9-12 Year Old Elementary School Children With Iron Deficiency Anemia”. Paediatrica Indonesiana 49 (2), 104-7. https://doi.org/10.14238/pi49.2.2009.104-7.