Pratiwi, D. and Hendrika, Y. (2022) “Antioxidaant Activity from Spray Gel Formulation Combination From Ethyl Acetate Fraction Turmeric Rhizome And Collagen From Catfish (Pangasius Hypopthalmus)”, JOPS (Journal Of Pharmacy and Science), 6(1), pp. 51-58. doi: 10.36341/jops.v6i1.3015.