Nadirah, Siti, et al. “Potential of Turmeric (Curcuma Longa) in Increasing Hemoglobin Levels: Systematic Literature Review”. STRADA : Jurnal Ilmiah Kesehatan, vol. 9, no. 2, Nov. 2020, pp. 1422-33, doi:10.30994/sjik.v9i2.482.