جعفر رشا محمد, and خلف سهى محمد. “Penalty for Breach of Responsibility for Negotiations in Government Contracts: Comparative Study”. Journal of Legal Sciences 36 (December 29, 2021): 267_300. Accessed May 18, 2024. https://jols.uobaghdad.edu.iq/index.php/jols/article/view/418.