Markum, A., C. Marwoto, Maria Abdulsalam, D. Gatot, I. Wahidayat, and S. Muslichan. 2007. “Iron Deficiency and Childhool Morbidity”. Paediatrica Indonesiana 21 (5-6), 132-40. https://doi.org/10.14238/pi21.5-6.1981.132-40.