Alfina Nurrahman, Annora Rizky Amalia, and Andany Oktamia Ningtyas Hartoyo, “Formulation and Physicochemical Evaluation of Spray Gel Containing Cordyline fruticosa L. Leaf Extract for Topical Delivery”, Nat Sci Eng Tech Jour, vol. 4, no. 2, pp. 352-364, Oct. 2024.