Setiyawan, S. J., I. Y. Astuti, and H. Hariyanti. “Optimization of Phosphatidylcholine and Tween 80 Composition in the Formulation of Icariin Transfersome As a Transdermal Delivery System Using Design-Expert”. Jurnal Kefarmasian Indonesia, vol. 15, no. 2, Dec. 2025, pp. 243-55, https://jkefarind.com/index.php/jki/article/view/6768.