%0 Journal Article %A Moradi, Abdolrahim %T The need for a duty to re-negotiate international contracts, with an emphasis on oil and gas upstream contracts and fundamentals of jurisprudence and law %J Islamic Law & Jurisprudence Researches %V 20 %N 77 %P 204-242 %D 2024 %R %U https://sanad.iau.ir/fa/Article/1192129