%0 Journal Article %A Zivari- Khorsand, Farhad, Noorossana, Rassoul, Gheidar-Kheljani, Jafar %T Requirements Engineering Model in Designing Complex Systems %J Journal of System Management %V 3 %N 2 %P 91-114 %D 2017 %R %U https://sanad.iau.ir/fa/Article/918466