MAYEFIS, D. and WIDIASTUTI, S. (2021) “ANTIOXIDANT ACTIVITY OF METHANOL EXTRACT NATUNA MARINE SPONGE (PORIFERA) WITH DPPH METHODE”, Asian Journal of Pharmaceutical and Clinical Research, 14(4), pp. 109–112. doi: 10.22159/ajpcr.2021.v14i4.40091.