Dewi, R.K. et al. 2024. Biosynthesis of Gold Nanoparticles Using Wuluh Star Fruit (Averrhoa bilimbi) for Chromium Analysis. Hydrogen: Jurnal Kependidikan Kimia. 12, 1 (Feb. 2024), 44–55. DOI:https://doi.org/10.33394/hjkk.v12i1.10188.