Mirjalili, Mohammad, and Laleh Hedayat. “Nano Silicagel Supported by Phosphoric Acid for Synthesis of Azoic Dyes Based on Naphthol”. Asian Journal of Chemistry 23, no. 2 (October 25, 2010): 717–719. Accessed November 22, 2024. https://asianpubs.org/index.php/ajchem/article/view/15827.