Kiyani, H. “Facile Three-Component Synthesis of 7-Arylbenzo[f]chromeno[4,3-b]chromen-6(7H)-Ones Catalyzed by Potassium Phthalimide in Aqueous Media”. 2013. Jordan Journal of Chemistry (JJC), vol. 9, no. 1, Nov. 2021, pp. 1-6, https://jjc.yu.edu.jo/index.php/jjc/article/view/157.