FAZAELI, RAZIEH, SHAHRAM TANGESTANINEJAD, and HAMID ALIYAN. “Heterogeneous Polyoxometalates: Efficient, Facile and Reusable Catalysts for One-Pot Synthesis of Dihydropyrimidinones”. Asian Journal of Chemistry 22, no. 2 (March 30, 2010): 877–887. Accessed November 25, 2024. https://asianpubs.org/index.php/ajchem/article/view/11199.