Subekti, Norman, Johny W. Soedarsono, Rini Riastuti, and Folo Daniel Sianipar. 2020. “Development of Environmental Friendly Corrosion Inhibitor from the Extract of Areca Flower for Mild Steel in Acidic Media”. Eastern-European Journal of Enterprise Technologies 2 (6 (104):34-45. https://doi.org/10.15587/1729-4061.2020.197875.