Al-asbahi, Morad G. S. S., et al. “The Biological Production of Titanium Dioxide Nanoparticles by a Combination Culture of Lactobacillus Sp. and Bacillus Sp. And Assessment of Their Bioactivity”. Sana’a University Journal of Applied Sciences and Technology , vol. 2, no. 3, June 2024, pp. 223-31, doi:10.59628/jast.v2i3.792.