Formulasi Spray Gel Ekstrak Etanol Batang Etlingera Rubroloba Menggunakan HPMC Sebagai Gelling Agent: Formulation Spray Gel of Etlingera Rubroloba Ethanolic Extract Using HPMC As Gelling Agent. J. Sains. Kes 2025, 5 (2), 140-148. https://doi.org/10.30872/jsk.v5i2.p140-148.