List of Articles Abolfazl Olyaei Article 1 - An efficient green synthesis of some new 4H-pyrimido[2,1,b]benzimiazoles and 4H-pyrimido[2,1,b]benzothiazoles promoted by guanidinium chloride Razieh Talaei Abolfazl Olyaei Iranian Journal of Catalysis , Issue 4 , Year , Autumn 2016