. (2005). . (e124125). Strategy, 13(2), e124125
. "" .e124125 , Strategy, 13, 2, 2005, e124125.
. (2005). '', Strategy, 13(2), e124125.
, "," Strategy, 13 2 (2005): e124125,
. . Strategy. 2005;13(2):e124125 (In Persian).
