Albarzinji, Ikbal M., Ahmad A. Mustafa, and Helin M. Ali. 2026. “Applying Some Mathematical Models to Estimate Leaf Area of Christ’s-Thorn Jujube Trees (Ziziphus Spina-Christi L.) Based on Leaf Morphometric Measurements in the Koya District”. UHD Journal of Science and Technology 10 (2):52-58. https://doi.org/10.21928/uhdjst.v10n2y2026.pp52-58.