Rini, Ilma Widya, Setia Budi, and Agustina Hotma Uli Tumanggor. “F Formulation and Evaluation of Serum Gel from Sengkubak Leaf Extract (Pycnarrhena Cauliflora Diels)”. Journal Pharmaceutical Care and Sciences 4, no. 1 (November 30, 2023): 99–108. Accessed July 27, 2024. https://ejurnal.unism.ac.id/index.php/jpcs/article/view/459.