. (2002). -. (e30777). Iranian International Journal of Science(Not Publish), 3(0), e30777

. "-" .e30777 , Iranian International Journal of Science(Not Publish), 3, 0, 2002, e30777.

. (2002). '-', Iranian International Journal of Science(Not Publish), 3(0), e30777.

, "-," Iranian International Journal of Science(Not Publish), 3 0 (2002): e30777,

. -. Iranian International Journal of Science(Not Publish). 2002;3(0):e30777 (In Persian).