Babkir A Ibrahim, Entisar M. Eldey, Adam A. Ishag and Ahmed M. El Naim (2023) “Response of Sunflower (Helianthus Annuus L) to Plant Spacing”, Innovation in Science and Technology, 2(2), pp. 32–37. vailable at: https://www.paradigmpress.org/ist/article/view/541 (ccessed: 23 July 2025).