Khudtur, S. O., and S. M. Gaznai. “Penal Protection of Environment from Oil Operators Pollutants: A Study in Light of Punitive Legislation in Kurdistan Region - Iraq”. Koya University Journal of Humanities and Social Sciences, vol. 2, no. 2, Nov. 2020, pp. 183-90, doi:10.14500/kujhss.v2n2y2019.pp183-190.