Hussain, Faiq H. S., and Hussein K A. Khudhur. 2018. “Synthesis and Characterization of Some New Symmetrical Bis-Isatins Derived From P-Substituted Aromatic Amines”. EURASIAN JOURNAL OF SCIENCE AND ENGINEERING 4 (1): 56-69. https://doi.org/10.23918/eajse.v4i1sip56.