%0 Journal Article %A Bodaghifard, Mohamad Ali, Ahadi, Najmieh %T Sulfamic acid: A green and efficient catalyst for synthesis of mono-, bis-, and spiro- perimidines %J Iranian Journal of Catalysis %V 6 %N 4 %P 377-380 %D 2016 %R %U https://sanad.iau.ir/fa/Article/1012651