Iswandi, Iswandi. “Analysis of Contamination of Lead Metal (Pb) and Cadmium (Cd) in Whitening Serum Circulating in Online Stores With Atomic Absorption Spectrophotometry”. AFAMEDIS 4, no. 1 (March 6, 2023): 54–62. Accessed December 21, 2024. https://journal-afamedis.com/index.php/afamedis/article/view/70.