Nur Fitriana Salsabila, A. Maulana, and N. Widji Triana. “UTILIZATION OF KETAPANG LEAF TANNIN EXTRACT AS A CORROSION INHIBITOR OF METALS IN 1 M HCl MEDIA”. KURVATEK, Vol. 8, no. 1, Apr. 2023, pp. 33-38, doi:10.33579/krvtk.v8i1.4006.