“Optimization of the Formulation for a Transdermal Hydrogel Patch Containing Basil Leaf Essential Oil (Ocimum Basilicum) Using the Factorial Design Method”. JURNAL FARMASIMED (JFM), vol. 9, no. 1, Oct. 2026, pp. 1013-2, https://doi.org/10.35451/jfm.v9i1.4042.