Allaf, Masood, and Lida Berahmandzadeh. “Response of Growth Indices of Sunflower (Helianthus Annuus L.) To Different Level of Deficit Irrigation and Nitrogen Fertilizer”. Journal of Crop Nutrition Science, vol. 6, no. 2, June 2020, pp. 1-12, https://oiccpress.com/jcns/article/view/5925.