Andieni HP, Kusumowati ITD. Determination of Retinoic Acid Content in Anti-Acne Creams in Blora Regency Using UV Spectrophotometry. JPS [Internet]. 2026 Feb. 3 [cited 2026 Feb. 4];9(1):327-35. Available from: https://journal-jps.com/new/index.php/jps/article/view/1243