D. N. Sari, Y. Mulyani, L. Rofiasari, A. Ariani, M. Yuliani, and T. Lubis, “Mix Root Beet And Red Guava’s Yogurt Impact On Eligible Women’s Haemoglobin Level”, Orics, vol. 4, no. 1, pp. 1–6, Mar. 2023.