AL-Qasab, Ghanyah Hiatham, and Jamella Hazza Rasheed. 2023. “Comparison Between Cowpea, Vigna Radiate L., Plants Differentiated from Explain Callus and Seeds Plants in Their Ability to Produce Nitrogen-Fixing Nodules”. Journal for Research in Applied Sciences and Biotechnology 2 (2):155-60. https://doi.org/10.55544/jrasb.2.2.22.