Handayani, Y., Primadevi, S. and Valentina, A. (2023) “Determination of Retinoic Acid Levels in Whitening Cream Preparations Circulating in the Kudus City”, Proceeding Cendekia International Conference Health and Technology, 1, pp. 80–86. Available at: https://proceedings.centamaku.ac.id/article/view/41 (Accessed: 26 April 2025).