. (1974). -. (e14611). Journal of Environmental Studies, 1(1), e14611
. "-" .e14611 , Journal of Environmental Studies, 1, 1, 1974, e14611.
. (1974). '-', Journal of Environmental Studies, 1(1), e14611.
, "-," Journal of Environmental Studies, 1 1 (1974): e14611,
. -. JES. 1974;1(1):e14611 (In Persian).
