Sharifi, Mohammad Sedghi, Amir Heydari AGRS. Modeling Growth and Yield of Sunflower (Helianthus annus L.). RRST [Internet]. 2009 Nov. 27 [cited 2025 Sep. 23];1(5). Available from: https://www.updatepublishing.com/journal/index.php/rrst/article/view/322