Tolera Abera, Tamado Tanaand and L.M. Pant
Asian Journal of Plant Sciences 4 ( 5 ): 458 - 465 , 2005
Tolera Abera, Girma W. Tsadik, Daba Feyissa, Hassan Yusuf and Gemechu Keneni
Pakistan Journal of Biological Sciences 8 ( 6 ): 849 - 854 , 2005
Tolera Abera, Daba Feyissa, Hasan Yusuf and Tesfaye G. Georgis
Pakistan Journal of Biological Sciences 8 ( 12 ): 1678 - 1684 , 2005