. (1982). -. (e14959). Journal of Environmental Studies, 11(11), e14959
. "-" .e14959 , Journal of Environmental Studies, 11, 11, 1982, e14959.
. (1982). '-', Journal of Environmental Studies, 11(11), e14959.
, "-," Journal of Environmental Studies, 11 11 (1982): e14959,
. -. JES. 1982;11(11):e14959 (In Persian).
