Adityas, Hanung Puspita, Eka Wulansari, and Sabila Nur Fitria. “Optimization Of Toner Preparation Of Tea Tree Oil (Melaleuca Alternifolia (Maaiden &Amp; Betche) Chell) With Variations In Glycerine And Propylene Glycol Consentrations Using Simplex Lattice Design”. Jurnal Farmasi & Sains Indonesia 7, no. 1 (June 20, 2024): 88–98. Accessed July 20, 2025. https://jurnal.stifera.ac.id/index.php/jfsi/article/view/293.