Alnahari, H. et al. 2023. The Effect of Tartaric Acid Concentration on the Structural, Morphological and Optical Properties of CuO-Fe2O3-MgO Nanocomposite. Sana’a University Journal of Applied Sciences and Technology . 1, 2 (Apr. 2023). DOI:https://doi.org/10.59628/jast.v1i2.189.