. (2007). -. (e28219). Philosophy, 4(2), e28219
. "-" .e28219 , Philosophy, 4, 2, 2007, e28219.
. (2007). '-', Philosophy, 4(2), e28219.
, "-," Philosophy, 4 2 (2007): e28219,
. -. Philosophy. 2007;4(2):e28219 (In Persian).
