Istiharoh R, Wahida Hajrin, Nisa Isnaeni Hanifa. Formula Optimization and Evaluation of Soap Gel Preparations of Hibiscus Leaf Ethanol Extract. JKU [Internet]. 2022 Nov. 2 [cited 2024 Jul. 3];11(3):1073-8. Available from: https://jku.unram.ac.id/index.php/jk/article/view/752