Al-Mahdawe, M. M., et al. “Genetically Transformed Hairy Roots Producing Agropine Induced on Trigonella Foenum-Graecum L. Plant by Agrobacterium Rhizogenes 1601”. Journal of Biotechnology Research Center (JOBRC), vol. 7, no. 1, Jan. 2013, pp. 91-98, doi:10.24126/jobrc.2013.7.1.252.