Nugroho, H., Lestari, E., Salimo, H., Dewi, M., Adhim, Z., & Lestarina, L. (2010). Effects of iron and zinc fortified milk supplementation on working memory of underweight poor-urban school children: A randomized double blind controlled trial. Paediatrica Indonesiana, 50(2), 92-95. https://doi.org/10.14238/pi50.2.2010.92-95