Mutiara Devi, Rhisma, et al. “Analysis Of Iron (Fe) And Zinc Content (Zn) From Bay Leaves (Syzygium Polyanthum)”. International Journal of Health and Pharmaceutical (IJHP), vol. 4, no. 3, Aug. 2024, pp. 547-51, doi:10.51601/ijhp.v3i4.307.