Qadeer, Abdul, Majid Mahmood Tahir, Muhammad Kaleem Abbasi, Ahsan Ali, and Adnan Rasheed. “Morphological and Phenological Responses of Sunflower to Nitrogen Fertilization and Plant Growth Promoting Rhizobacteria under Rainfed Conditions in Pakistan: Morpho-Phenological Responses of Sunflower to Plant Growth Promoting Rhizobacteria and Nitrogen”. Proceedings of the Pakistan Academy of Sciences: B. Life and Environmental Sciences 56, no. 1 (March 7, 2019): 41–48. Accessed March 12, 2025. http://ppaspk.org/index.php/PPAS-B/article/view/184.