utama, vonny, and Putri Hananda. “Identification of Hydroquinone Content in Face Whitening Cream Circulating in Pekanbaru Kodim Market Using Thin Layer Chromatography (TLC) Method”. Jurnal Ilmu Kesehatan Abdurrab 1, no. 2 (July 24, 2023): 145-152. Accessed November 24, 2024. https://jurnal.univrab.ac.id/index.php/jika/article/view/3721.