Rini, I. W., Budi, S., & Tumanggor, A. H. U. (2023). F Formulation and Evaluation of Serum Gel from Sengkubak Leaf Extract (Pycnarrhena Cauliflora Diels). Journal Pharmaceutical Care and Sciences, 4(1), 99–108. https://doi.org/10.33859/jpcs.v4i1.459