Fauziah Zain, Nia Novranda Pertiwi, Minda Sari Lubis, Rafita Yuniarti. Penentuan Kadar Hidrokuinon dan Asam Retinoat Pada Krim Malam Yang Dijual Dikota Medan Secara Spektrofotometri Ultraviolet Metode Dual Wavelenght. bce [Internet]. 2024 Oct. 21 [cited 2026 Aug. 9];4(3):35-4. Available from: https://attractivejournal.com/index.php/bce/article/view/1498