AL-Qasab GH, Rasheed JH. Comparison between Cowpea, Vigna radiate L., Plants Differentiated from Explain Callus and Seeds Plants in their Ability to Produce Nitrogen-Fixing Nodules. J. Res. Appl. Sci. Biotechnol. [Internet]. 2023 May 8 [cited 2024 Dec. 4];2(2):155-60. Available from: https://jrasb.stallionpublication.com/index.php/jrasb/article/view/204