Pungpracha J, Mahacharoen T. The Study of Morphology of Hydroquinone in Whitening Creams by Microcrystalline Technique. SDU. Grad. J. [internet]. 2024 Nov. 15 [cited 2025 Jun. 16];20(3):93-105. available from: https://so19.tci-thaijo.org/index.php/SDUGSAJ/article/view/217