Khaleefah , A., & Rasheed, M. (2025). Sol–Gel Synthesis of Mullite and Oxide Nanoparticles: Structural Characterization and Antibacterial Activity Against E. Coli and S. Aureus . Al-Salam Journal for Engineering and Technology, 4(2), 1–10. https://doi.org/10.55145/ajest.2025.04.02.001