STIANI, S. N., T. RUDIANA, Y. SETIAWAN, E. SETYOWATI, and S. ANSORI. “FORMULATION AND CHARACTERIZATION OF SERUM COLLAGEN OF SEA CUCUMBER EXTRACT STICHOPUS HORRENS AS AN ANTIOXIDANT”. International Journal of Applied Pharmaceutics, vol. 13, no. 4, Dec. 2021, pp. 176-82, doi:10.22159/ijap.2021.v13s4.43854.