List of Articles Khodabakhsh Niknam Article 1 - Silica-bonded n-propyldiethylenetriamine sulfamic acid as a recyclable solid acid catalyst for the synthesis of coumarin and biscoumarin derivatives Khodabakhsh Niknam Seyed Ahmad Sajadi Roghayeh Hosseini Mojtaba Baghernejad Iranian Journal of Catalysis , Issue 4 , Year , Summer 2014
