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. (2026). UHD Journal of Science and Technology, 10(2), 52-58. https://doi.org/10.21928/uhdjst.v10n2y2026.pp52-58