Shlahi, Sattar A., and Zahra N. Al- Hattab. 2014. “The Genetic Effect of N-Methyl-N-Nitro-N-Nitrosoguanidine on Callus Induced from Mature Embryos of Beans Phaseolus Vulgaris”. Journal of Biotechnology Research Center 8 (4):79-84. https://doi.org/10.24126/jobrc.2014.8.4.389.