%0 Journal Article %T Expanded Perlite-Polyphosphoric Acid (EP-PPA) as a Low-Cost Heterogeneous Solid Acid Catalyst for Green and Metal-Free Synthesis of Nitriles from Aldehydes %A Mahmoodi, Mahdiyeh %A Akhlaghinia, Batool %J Croatica Chemica Acta %@ 0011-1643 %D 2023