. (1982). -. (e14963). Journal of Environmental Studies, 11(11), e14963
. "-" .e14963 , Journal of Environmental Studies, 11, 11, 1982, e14963.
. (1982). '-', Journal of Environmental Studies, 11(11), e14963.
, "-," Journal of Environmental Studies, 11 11 (1982): e14963,
. -. JES. 1982;11(11):e14963 (In Persian).
