A study of the effect of silica particles addition on some physical properties of PVC as a packaging material. Iraqi Journal of Physics, [S. l.], v. 13, n. 26, p. 76–91, 2019. DOI: 10.30723/ijp.v13i26.286. Disponível em: https://ijp.uobaghdad.edu.iq/index.php/physics/article/view/286.. Acesso em: 29 apr. 2024.