DIYAR; HAMAD AMEEN, D. . Evaluatin The Effect of Primary Amine in Bitterness of Selected Cephalosporins. Polytechnic Journal, [S. l.], v. 13, n. 1, p. 187-208, 2023. DOI: 10.25156/ptj.v13i1.1357. Disponível em: https://journals.epu.edu.iq/index.php/polytechnic/article/view/1357. Acesso em: 15 may. 2024.