AL-Assie, Akeel H. Ali. “Assessment of Genotoxic Effects of Copper on Cucumber Plant (Cucumis Sativus L.) Using Random Amplified Polymorphic DNA (RAPD-PCR) Markers”. Journal of Biotechnology Research Center (JOBRC), vol. 8, no. 3, Sept. 2014, pp. 12-19, doi:10.24126/jobrc.2014.8.3.347.