“The Relationship Between Heavy Metals Resistance and β- Lactamase Production in Some Types of Pathogenic Bacteria”. Journal of the College of Basic Education 18, no. 75 (January 8, 2023): 129–136. Accessed June 30, 2024. https://cbej.uomustansiriyah.edu.iq/index.php/cbej/article/view/9133.