Formulation and Evaluation of Hydrogel from Agarwood Leaf (Aquilaria malacensis Lamk.) Ethanol Extract with Carbopol 940 and HPMC K4M Combination: Formulasi dan Evaluasi Hidrogel Ekstrak Etanol Daun Gaharu (Aquilaria malacensis Lamk.) dengan Kombinasi Basis Karbopol 940 dan HPMC K4M. Pharmasci [Internet]. 2021 Jan. 20 [cited 2026 May 4];6(1):37-46. Available from: https://ejournal.akfarsurabaya.ac.id/index.php/jps/article/view/208