AL-Qasab, G. H. and Rasheed, J. H. (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), pp. 155–160. doi: 10.55544/jrasb.2.2.22.