. (2005). . (e124127). Strategy, 13(2), e124127
. "" .e124127 , Strategy, 13, 2, 2005, e124127.
. (2005). '', Strategy, 13(2), e124127.
, "," Strategy, 13 2 (2005): e124127,
. . Strategy. 2005;13(2):e124127 (In Persian).
