“Effect of Hardening to Drought Tolerance on the Moisture Contents of Sunflower Plant. II Moisture Percentage in Leaves and Heads”. Baghdad Science Journal 6, no. 4 (January 14, 2025): 646–653. Accessed June 19, 2025. https://bsj-ojs.uobaghdad.edu.iq/index.php/BSJ/article/view/11889.