Abdula, Ahmed Mutanabbi, Ghazwan Ali Salman, and Hamid H. Mohammed. 2018. “Comparative Study on Conventional and Ultrasound Irradiation Promoted Synthesis of 2,3-Disubstitutedquinoxaline Derivatives”. Al-Mustansiriyah Journal of Science 28 (3): 141-50. https://doi.org/10.23851/mjs.v28i3.207.