Mohamed, Naglaa Salah El-Deen, and Ragab Mohamed AbuEl-Hamd. “Synthesis, Spectroscopic and Antimicrobial Studies of Some Novel Cyanine Dyes Based on Bis-Coumarin Heterocycles Derivatives”. European Journal of Chemistry 7, no. 1 (March 31, 2016): 66–72. Accessed April 27, 2024. https://eurjchem.com/index.php/eurjchem/article/view/1319.