Huda Muayad Nafea and Ali Muayad Nafea Al- Kawaz 2020. Synthesis, Characterization, Antimicrobial, DNA Cleavage and Fluorescent Activity of Metal ion(II) Coordinate with 2H-Chromene Azo novel ligand. International Journal of Research in Pharmaceutical Sciences. 11, 2 (Apr. 2020), 1953–1960.