H. M. Muhy and F. Duman, “Biosynthesis , Characterization and Removal Efficiency for Petroleum Leakage of the Cofe2o4 Nanoparticles”, Al-Mustansiriyah Journal of Science, vol. 29, no. 3, pp. 21–28, Mar. 2019, doi: 10.23851/mjs.v29i3.618.