Sediq, A.M. 2016. Legal and Ethical Obligations of Oil Companies in Preserving Natural Environment; a Case Study of the Kurdistan Regional Government’s Production Sharing Contracts”. Journal of University of Human Development. 2, 4 (Dec. 2016), 390–398. DOI:https://doi.org/10.21928/juhd.v2n4y2016.pp390-398.