@article{ author = {Seyed Morteza Hosseini, Rahele , Taghipour, Bahram, Abbasi Sarmadi, Mehdi, Amiri, Fatemeh}, title = {renegotiaton in upstream contracts of the oil industry from the perspective of law a}, journal = {Quarterly Ethical Research (Association for Islamic Thought)}, year = {2019}, volume = {9}, issue = {34}, pages = {123-144}, doi = {}, url = {https://rimag.ir/fa/Article/17334} }