Ullah, Ghazanfar, Ejaz Ahmed Khan, Inayat Ullah Awan, Muhammed Ayyaz Khan, Abdul Aziz Khakwani, Muhammed Safdar Baloch, Qudrat Ullah Khan, et al. “Wheat Response to Fertilizer Application Techniques and Nitrogen Levels: II. Crop Growth and Yield Attributes”. Pakistan Journal of Nutrition 12, no. 7 (June 15, 2013): 636–641. Accessed August 19, 2025. https://pjnonline.org/pjn/article/view/1872.