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Ertan Sait Kurtar, Ahmet Balkaya and Sezgin Uzun
Journal of Agronomy 3 ( 4 ): 311 - 314 , 2004
Journal of Agronomy 5 ( 2 ): 186 - 190 , 2006
Ertan Sait Kurtar and Ali Kemal Ayan
Pakistan Journal of Biological Sciences 8 ( 2 ): 273 - 277 , 2005