modification of polystyrene co butadiene . Baghdad Science Journal, Iraq, Baghdad, v. 3, n. 4, p. 656–669, 2006. DOI: 10.21123/bsj.2006.752. Disponível em: https://bsj.uobaghdad.edu.iq/index.php/BSJ/article/view/752.. Acesso em: 19 dec. 2024.