. (1987). -. (e14355). Journal of Environmental Studies, 14(14), e14355
. "-" .e14355 , Journal of Environmental Studies, 14, 14, 1987, e14355.
. (1987). '-', Journal of Environmental Studies, 14(14), e14355.
, "-," Journal of Environmental Studies, 14 14 (1987): e14355,
. -. JES. 1987;14(14):e14355 (In Persian).
