Haji A. Bukhsh, M. A. A., Kaleem, S., Ishaque, M., Iqbal, J., Randhawa, M. A., Rasheed, M., & Khan, H. A. (2011). Morphological Features in Sunflower as Influenced by Varying Nutritional Area. Pakistan Journal of Nutrition, 10(5), 470–474. https://doi.org/10.3923/pjn.2011.470.474