Rasool, K, A Wajid, - Sanaullah, A Ghaffar, M Shoaib, M Arshad, and S Abbas. “Optimizing Nitrogen Rate and Planting Density for Sunflower under Irrigated Conditions of Punjab”. SAARC Journal of Agriculture 13, no. 1 (July 15, 2015): 174–187. Accessed July 17, 2024. https://banglajol.info/index.php/SJA/article/view/24190.