AL-Hussaini, Zainab Abduljabar Hussain, et al. “Micro Propagation of Four Potato Cultivars Solanum Tuberosum L. In Vitro”. Journal of Biotechnology Research Center (JOBRC), vol. 8, no. 4, Dec. 2014, pp. 19-24, doi:10.24126/jobrc.2014.8.4.372.