Adityas HP, Wulansari E, Fitria SN. Optimization Of Toner Preparation Of Tea Tree Oil (Melaleuca alternifolia (Maaiden & Betche) Chell) With Variations In Glycerine And Propylene Glycol Consentrations Using Simplex Lattice Design. JFSI [Internet]. 2024Jun.20 [cited 2025Jul.6];7(1):88-9. Available from: https://openjournal.stifera.ac.id/index.php/jfsi/article/view/293