Yahya, F. et al. 2023. The effect of sambiloto leaf (Andrographis paniculata Nees) extract inhibitor concentration on the corrosion rate of iron in the corrosive HCl medium and well water. Jurnal Pijar Mipa. 18, 2 (Mar. 2023), 274–278. DOI:https://doi.org/10.29303/jpm.v18i2.4780.