Kazim, A.G. and Kadhim, A.J. 2018. Preparation and Diagnosis of New Azo - Barbiturate Dyes. Journal of Advance Research in Applied Science (ISSN 2208-2352). 5, 12 (Dec. 2018), 01–06. DOI:https://doi.org/10.53555/nnas.v5i12.575.