. (2005). -. (e28198). Philosophy, 3(1), e28198
. "-" .e28198 , Philosophy, 3, 1, 2005, e28198.
. (2005). '-', Philosophy, 3(1), e28198.
, "-," Philosophy, 3 1 (2005): e28198,
. -. Philosophy. 2005;3(1):e28198 (In Persian).