ALBARZINJI, I. M.; MUSTAFA, A. A.; ALI, H. M. 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, [S. l.], v. 10, n. 2, p. 52–58, 2026. DOI: 10.21928/uhdjst.v10n2y2026.pp52-58. Disponível em: https://journals.uhd.edu.iq/index.php/uhdjst/article/view/1798. Acesso em: 4 aug. 2026.