Hussain FH, Abdulla HO. Synthesis and Characterization of Some New Bis-(Dihydropyrimidinones-5-Carboxamide) by Using Ultrasonic Irradiation. EAJSE [Internet]. 2018 Jun. 1 [cited 2026 Apr. 18];3(3):132-44. Available from: https://eajse.tiu.edu.iq/index.php/eajse/article/view/332