Akbar, S.A. et al. 2019. Utilization Of Guava Leaves Extract (Psidium Guajava) As Ecofriendly Corrosion Inhibitor For Iron. Al-Kimia. 7, 1 (Jun. 2019), 91–99. DOI:https://doi.org/10.24252/al-kimia.v7i1.6331.