Badrey, Mohamed Gomaa, Sobhi Mohamed Gomha, and Hamada Moustafa Mashaly. “Synthesis and Studies on Chromene Based Reactive Azo Dyes and Their Applications on Different Fabrics”. European Journal of Chemistry 7, no. 2 (June 30, 2016): 146–151. Accessed May 3, 2024. https://eurjchem.com/index.php/eurjchem/article/view/1393.