HUSSAIN, Faiq H.S.; ABDULLA, Havall O. Synthesis and Characterization of Some New Bis-(Dihydropyrimidinones-5-Carboxamide) by Using Ultrasonic Irradiation. EURASIAN JOURNAL OF SCIENCE AND ENGINEERING, [S. l.], v. 3, n. 3, p. 132–144, 2018. DOI: 10.23918/eajse.v3i3p132. Disponível em: https://eajse.tiu.edu.iq/index.php/eajse/article/view/332. Acesso em: 18 apr. 2026.