Jauria, Kostiawan Sukamto, and Ariani Hutuba. “Analysis of Hydroquinone Content in Whitening Cream Circulating in Gorontalo City Using Uv-Vis Spectrophotometry”. Journal of Health, Technology and Science (JHTS), Vol. 3, no. 2, Mar. 2022, pp. 73-82, doi:10.47918/jhts.v2i4.283.