“Improvement the Characteristic of Face Mask by Addition Arabic ‎Gum or Activated Charcoal to Biopolymers”. Journal of University of Babylon for Engineering Sciences 32, no. 2 (April 15, 2024): 13–26. Accessed April 19, 2025. https://journalofbabylon.com/index.php/JUBES/article/view/5180.