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Neslihan Ekinci and Salih Celik
Journal of Agronomy 5 ( 3 ): 509 - 514 , 2006
Elman Bahar, Demir Kok, Ilknur Korkutal and Salih Celik
Pakistan Journal of Biological Sciences 7 ( 9 ): 1481 - 1487 , 2004