Elsa, Putri, et al. “Black Cumin Seed Extract As Copper Corrosion Inhibitor in H2SO4 1M: An Experimental and Theoretical Study”. Jurnal Penelitian Pendidikan IPA, vol. 10, no. 10, Oct. 2024, pp. 7765-74, doi:10.29303/jppipa.v10i10.8739.