“SYNTHESIS AND CHARACTERIZATION OF SOME NEW COMPOUNDS DERIVED FROM SEMICARBAZIDES AND 2-AMINO OXADIAZOLE (MONOMERS AND POLYMERS ) AND STUDY THEIR LIQUID CRYSTALLINE PROPERTIES”. Al-Nahrain Journal of Science, vol. 10, no. 1, Aug. 2018, pp. 18-24, https://mail.anjs.edu.iq/index.php/anjs/article/view/1486.