Mohammadi Ziarani, G., Badiei, A., Shakiba Nahad, M., & Ghadim Alizadeh, S. "Synthesis of 1,2-Disubstituted Benzimidazoles in the Presence of SBA-Pr-SO3H as a Nano Solid Acid Catalyst", Journal of Nanostructures, 2, 2, 2012, 213-220. doi: 10.7508/jns.2012.02.009