Abdullah Kelkit and Tutku AK
Journal of Applied Sciences 3 ( 1 ): 23 - 29 , 2003
Abdullah Kelkit, Fatma Berberler and Tutku Ak
Journal of Applied Sciences 3 ( 2 ): 113 - 119 , 2003
Abdullah Kelkit and A. Esra Ozel
Journal of Applied Sciences 3 ( 4 ): 240 - 246 , 2003