O. Mohammed Kamil, T. Khalil ibraheem, S. Abbas Hassan Al-Ameri, and A. Mahdi Saeed, “Synthesis, quantification and characterization of 1,3,4-thiadiazole derivatives of ampicillin by HPLC”, J. K. Chem. Sci., vol. 3, no. 1, pp. 61–75, Dec. 2023.