SAAID, F. H.; DAWOOD, S. J.; MARBEEN, B. H. Synthesis and Characterization of 1,3,4- oxadiazole Derivatives using an Ultrasonic Technique. Al-Mustansiriyah Journal of Science, [S. l.], v. 29, n. 2, p. 101–105, 2018. DOI: 10.23851/mjs.v29i2.183. Disponível em: https://mjs.uomustansiriyah.edu.iq/index.php/MJS/article/view/183. Acesso em: 1 oct. 2022.