م.م. إنعام محمد رضا عبد العزيز, and ا.د. صدام فيصل كوكز المحمدي. “Problems of Investment Guarantees in Oil Service Contracts A Comparative Analytical Study in Light of the Oil Tenders Contracts: Doi:https://doi.Org/10.37940/JRLS.2023.4.2.2”. Researcher Journal for Legal Sciences, vol. 4, no. 2, Dec. 2023, https://uofjls.net/index.php/new/article/view/167.