The source ray’s effect on some physical properties of polycarbonate in chloroform at room temperature. Journal of the College of Basic Education, [S. l.], v. 18, n. 74, p. 1–14, 2023. DOI: 10.35950/cbej.v18i74.9375. Disponível em: https://cbej.uomustansiriyah.edu.iq/index.php/cbej/article/view/9375.. Acesso em: 18 jul. 2024.