Emawati, Fitrah, Sri Martuti, Joko Pambudi, and Rustan Efendi. “HUBUNGAN ANTARA ZINC SERUM DENGAN STATUS GIZI LANSIA”. Penelitian Gizi dan Makanan (The Journal of Nutrition and Food Research) 25, no. 1 (November 8, 2012). Accessed October 16, 2025. https://www.pgm.persagi.org/index.php/pgm/article/view/406.