Bunnaranurak, Napaporn, and Napa Tangtreamjitmun. “Determination of Mercury Contents in Facial Whitening Cream Samples by Direct Thermal Decomposition Mercury Analyzer”. RMUTP Research Journal Sciences and Technology 15, no. 2 (December 31, 2021): 14–23. Accessed May 7, 2024. https://ph02.tci-thaijo.org/index.php/RMUTP/article/view/241238.