Ghorbanian, H., Akbari, G. A., Hossein Akianmehr, M., Hassanpanah, D. & Ebadi, A. (2015). Effect of the gradual release of nitrogen by manure fertilizers pellet on the different periodic irrigation on some quantitative and qualitative characteristics of sunflower (Helianthus annuus L.). Research in Field Crop Journal, 3(2), 58–71.

Ghorbanian, H., Akbari, G. A., Hossein Akianmehr, M., Hassanpanah, D., & Ebadi, A. "Effect of the gradual release of nitrogen by manure fertilizers pellet on the different periodic irrigation on some quantitative and qualitative characteristics of sunflower (Helianthus annuus L.)", Research in Field Crop Journal, 3, 2, 2015, 58–71.

Ghorbanian, H., Akbari, G. A., Hossein Akianmehr, M., Hassanpanah, D., & Ebadi, A. (2015). 'Effect of the gradual release of nitrogen by manure fertilizers pellet on the different periodic irrigation on some quantitative and qualitative characteristics of sunflower (Helianthus annuus L.)', Research in Field Crop Journal, 3(2), pp. 58–71.

Ghorbanian, H., Akbari, G. A., Hossein Akianmehr, M., Hassanpanah, D. & Ebadi, A., "Effect of the gradual release of nitrogen by manure fertilizers pellet on the different periodic irrigation on some quantitative and qualitative characteristics of sunflower (Helianthus annuus L.)." Research in Field Crop Journal, 3 2 (2015): 58–71,

Ghorbanian H., Akbari G. A., Hossein Akianmehr M., Hassanpanah D., Ebadi A. Effect of the gradual release of nitrogen by manure fertilizers pellet on the different periodic irrigation on some quantitative and qualitative characteristics of sunflower (Helianthus annuus L.). Research in Field Crop Journal. 2015;3(2):58–71 (In Persian).