M. G. AL-Saghir, H. I. Malkawi and A. EL-Oqlah
International Journal of Botany 3 ( 2 ): 172 - 178 , 2007
M. G. AL-Saghir and Abdel-Salam G. Abdel Salam
Journal of Plant Sciences 6 ( 1 ): 36 - 42 , 2011