Malik, B S, S Paul, R K Sharma, A P Sethi, and O P Verma. “Effect of Azotobacter Chroococcum on Wheat (Triticum Aestivum) Yield and Its Attributing Components*”. The Indian Journal of Agricultural Sciences 75, no. 9 (September 5, 2005). Accessed October 27, 2025. https://epubs.icar.org.in/index.php/IJAgS/article/view/9157.