Hidayat, Hardi, et al. “The Effect of Beach Environment and Sea Water on Nickel Corrosion Rate As a Collimator Material for the Application of Boron Neutron Capture Therapy”. Jurnal Teknologi Reaktor Nuklir Tri Dasa Mega, vol. 21, no. 3, Oct. 2019, pp. 127-35, doi:10.17146/tdm.2019.21.3.5587.