Setianingsih; Dasuki, Djaswadi; Gamayanti, Indria Laksmi (Universitas Muhammadiyah Surakarta, 2015-12-07)
More than two billion people are expected to lack of essential vitamins and minerals, especially vitamin A, iodine, iron (Fe) and zinc (Zn). Research showed positive effect of zinc supplementation on children's growth, ...