%0 Journal Article %T Immobilization of dihydrogen phosphate onto rice husk ash as a highly efficient and green catalyst for the synthesis of symmetrical N,N′-alkylidene bisamides %A Saadati-Moshtaghin, Hamid %J Research on Chemical Intermediates %V 45 %N 5 %P 3077-3087 %@ 0922-6168 %D 2019-02-26 %I Springer Netherlands %~ DeepDyve