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Febriani A, Maruya I, Sulistyaningsih F. Formulasi dan Uji Iritasi Sediaan Gel Kombinasi Ekstrak Etanol Rimpang Kencur (Kaempferia galanga L.) dan Ekstrak Etanol Herba Pegagan (Centella asiatica (L.) Urban): Formulation and Irritation Test of Gel Combination of Galangal Rhizome (Kaempferia galanga L.) and Gotu Kola Herb (Centella asiatica (L.) Urban ) Ethanolic Extract. Sainstech Farma [Internet]. 2020Apr.15 [cited 2025Sep.17];13(1):45-54. Available from: https://journal.istn.ac.id/index.php/saintechfarma/article/view/524