. (2000). -. (e30765). Iranian International Journal of Science(Not Publish), 2(0), e30765

. "-" .e30765 , Iranian International Journal of Science(Not Publish), 2, 0, 2000, e30765.

. (2000). '-', Iranian International Journal of Science(Not Publish), 2(0), e30765.

, "-," Iranian International Journal of Science(Not Publish), 2 0 (2000): e30765,

. -. Iranian International Journal of Science(Not Publish). 2000;2(0):e30765 (In Persian).