. (1982). -. (e14969). Journal of Environmental Studies, 11(11), e14969
. "-" .e14969 , Journal of Environmental Studies, 11, 11, 1982, e14969.
. (1982). '-', Journal of Environmental Studies, 11(11), e14969.
, "-," Journal of Environmental Studies, 11 11 (1982): e14969,
. -. JES. 1982;11(11):e14969 (In Persian).
