Sari WK, Kristantri RS, Pebriani TH. SPF Activity Sunscreen Spray Gel Ethanol Extract of Cinnamon Bark (Cinnamomum burmanii Ness. BI, Syn). J. Akademika Kimia [Internet]. 2023 May 31 [cited 2025 Sep. 9];12(2):132-41. Available from: https://jurnalfkipuntad.com/index.php/jak/article/view/3491