Synthesis and Characterization of New Polyimide Contain Heterocyclic . Baghdad Science Journal, Iraq, Baghdad, v. 10, n. 4, p. 1203–1210, 2013. DOI: 10.21123/bsj.2013.10.4.1203-1210. Disponível em: https://bsj-ojs.uobaghdad.edu.iq/index.php/BSJ/article/view/2833.. Acesso em: 15 jul. 2025.