Al-Dujaili, Ammar H., Juman A. Naser, Taki A. Himdan, Issam A. Latif, and Yousif I. Mohammed. 2016. “Physical Properties of Pure and Nano Agdoped Liquid Crystalline Compounds Containing 1,3,4-Oxadizole Unit”. Journal of Progressive Research in Chemistry 3 (2), 109-22. http://scitecresearch.com/journals/index.php/jprc/article/view/459.