(1)
M. Yahya, O.; عمر; A. Ahmed, B.; بیداء; Thanoon, I.; عماد. Ultrasound-Assisted One-Pot Synthesis of Dihydropyrimid-2-one/Thiones Catalyzed by Zirconyl Chloride Hexahydrate. EDUSJ 2013, 26, 154-159.