Ariefin, M. and Pasaribu, M.H. 2023. Theoritical Studies of Corossion Inhibition of Coumarin and Coumarin Derivative on Iron by Density Functional Theory Approaches. Al-Kimia. 11, 1 (Jun. 2023). DOI:https://doi.org/10.24252/al-kimia.v11i1.38217.