The Effect of Enternal and External Environmental Protection Variables of Blood Diseases and Tumors Centers. Journal of University of Babylon for Engineering Sciences, [S. l.], v. 27, n. 3, p. 25–43, 2019. Disponível em: https://journalofbabylon.com/index.php/JUBES/article/view/2493. Acesso em: 19 apr. 2025.