. (1984). -. (e14818). Journal of Environmental Studies, 12(12), e14818
. "-" .e14818 , Journal of Environmental Studies, 12, 12, 1984, e14818.
. (1984). '-', Journal of Environmental Studies, 12(12), e14818.
, "-," Journal of Environmental Studies, 12 12 (1984): e14818,
. -. JES. 1984;12(12):e14818 (In Persian).
