. (1982). -. (e14966). Journal of Environmental Studies, 11(11), e14966
. "-" .e14966 , Journal of Environmental Studies, 11, 11, 1982, e14966.
. (1982). '-', Journal of Environmental Studies, 11(11), e14966.
, "-," Journal of Environmental Studies, 11 11 (1982): e14966,
. -. JES. 1982;11(11):e14966 (In Persian).
