H.BUTTRUS, N.; نبیل; A.SAEED, I.; اسراء. Synthesis and Characterization of New Complex Salts of some Transition Metals with Pyrrolium Salts. Journal of Education and Science (JES), [S. l.], v. 17, n. 1, p. 1–9, 2005. DOI: 10.33899/edusj.2005.80954. Disponível em: https://rjps.uomosul.edu.iq/index.php/edusj/article/view/17819. Acesso em: 4 aug. 2025.