EL-FIKI, A., G. EL-METABTEB, A.-H. SAYED, and M. ADLY. “Androgenesis Induced in Nicotiana Alata and the Effect of Gamma Irradiation”. Notulae Scientia Biologicae, vol. 7, no. 1, Mar. 2015, pp. 66-71, doi:10.15835/nsb719477.