Ridwan, E. “KAJIAN INTERAKSI ZAT BESI DENGAN ZAT GIZI MIKRO LAIN DALAM SUPLEMENTASI (REVIEW OF INTERACTIONS BETWEEN IRON AND OTHER MICRONUTRIENTS IN SUPPLEMENTATION) Endi Ridwan1”. Penelitian Gizi Dan Makanan (The Journal of Nutrition and Food Research), vol. 35, no. 1, June 2012, pp. 49-54, doi:10.22435/pgm.v35i1.3083.49-54.