Intan Martha Cahyani. Optimization Formula of Kolang-Kaling (Arenga Pinnata.) Peel-Off Gel Mask with Combination PVA - CMC Na as Gelling Agent on Simplex Lattice Design. Repository [Internet]. 2025Jul.7 [cited 2026Apr.17];00. Available from: https://repository.stifar.ac.id/Repository/article/view/808