. (1982). -. (e14957). Journal of Environmental Studies, 11(11), e14957
. "-" .e14957 , Journal of Environmental Studies, 11, 11, 1982, e14957.
. (1982). '-', Journal of Environmental Studies, 11(11), e14957.
, "-," Journal of Environmental Studies, 11 11 (1982): e14957,
. -. JES. 1982;11(11):e14957 (In Persian).
