Karlina, Delva Warti, Noval Noval, and Iwan Yuwindry. “Formulasi Dan Evaluasi Nano Spray Gel Dengan Ekstrak Daun Sirih Merah (piper Crocatum Ruiz & Pav) Sebagai Antioksidan Dengan Variasi Konsentrasi Carbopol 940: Optimization Formulation and Evalution of Nano Spray Gel With Red Betel Leaf Extract (piper Crocatum Ruiz &Amp; Pav) As Antioxidant With Variation of Carbopol 940 Concentration”. Jurnal Surya Medika (JSM) 10, no. 2 (August 4, 2024): 288–301. Accessed December 22, 2024. https://journal.umpr.ac.id/index.php/jsm/article/view/7754.