. (2005). . (e124122). Strategy, 13(2), e124122
. "" .e124122 , Strategy, 13, 2, 2005, e124122.
. (2005). '', Strategy, 13(2), e124122.
, "," Strategy, 13 2 (2005): e124122,
. . Strategy. 2005;13(2):e124122 (In Persian).
