Levent YAZİCİ. “Determination of Yield and Yield Components in Some Local Confectionary Sunflower (Helianthus Annuus L.) Populations”. ISPEC Journal of Agricultural Sciences 4, no. 4 (December 4, 2020): 940–951. Accessed April 24, 2024. https://ispecjournal.com/index.php/ispecjas/article/view/121.