Haerul Ahmadi et al. 2019. Study of Microstructural and Corrosion Properties of Aluminium Alloy 7075 after Plasma Nitriding. Jurnal Sains Materi Indonesia. 21, 1 (Oct. 2019), 1–7. DOI:https://doi.org/10.17146/jsmi.2019.21.1.5649.