synthesis of poly condensation. Baghdad Science Journal, Iraq, Baghdad, v. 3, n. 2, p. 348–357, 2006. DOI: 10.21123/bsj.2006.709. Disponível em: https://bsj.uobaghdad.edu.iq/index.php/BSJ/article/view/709.. Acesso em: 4 jul. 2024.