Ratnawati, Gervacia Jenny, and Ratih Indrawati. “Analysis of Fe Levels in Old and Young Lemiding Leaves in the Kubu Raya Region of West Kalimantan”. Health Information : Jurnal Penelitian 11, no. 1 (June 1, 2019): 8–12. Accessed July 26, 2026. https://myjurnal.poltekkes-kdi.ac.id/index.php/hijp/article/view/121.